{"id":5519,"date":"2026-08-07T11:05:36","date_gmt":"2026-08-07T03:05:36","guid":{"rendered":"https:\/\/www.tashells.com\/?p=5519"},"modified":"2026-08-07T11:06:46","modified_gmt":"2026-08-07T03:06:46","slug":"how-are-earbuds-made","status":"publish","type":"post","link":"https:\/\/www.tashells.com\/es\/how-are-earbuds-made\/","title":{"rendered":"\u00bfC\u00f3mo se fabrican los auriculares intraurales? Un vistazo al proceso de fabricaci\u00f3n completo desde la planta de producci\u00f3n."},"content":{"rendered":"\t\t<div data-elementor-type=\"wp-post\" data-elementor-id=\"5519\" class=\"elementor elementor-5519\">\n\t\t\t\t\t\t\t<div class=\"elementor-element elementor-element-ac4d597 e-flex e-con-boxed e-con e-parent\" data-id=\"ac4d597\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\" data-core-v316-plus=\"true\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ef5ceed elementor-widget elementor-widget-text-editor\" data-id=\"ef5ceed\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.17.0 - 08-11-2023 *\/\n.elementor-widget-text-editor.elementor-drop-cap-view-stacked .elementor-drop-cap{background-color:#69727d;color:#fff}.elementor-widget-text-editor.elementor-drop-cap-view-framed .elementor-drop-cap{color:#69727d;border:3px solid;background-color:transparent}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap{margin-top:8px}.elementor-widget-text-editor:not(.elementor-drop-cap-view-default) .elementor-drop-cap-letter{width:1em;height:1em}.elementor-widget-text-editor .elementor-drop-cap{float:left;text-align:center;line-height:1;font-size:50px}.elementor-widget-text-editor .elementor-drop-cap-letter{display:inline-block}<\/style>\t\t\t\t<h1 class=\"md-end-block md-heading\"><span class=\"md-plain\">How Are Earbuds Made? A Factory-Floor Look at the Full Manufacturing Process<\/span><\/h1><p class=\"md-end-block md-p\"><span class=\"md-plain\">If you&#8217;ve ever pulled a pair of earbuds out of a charging case and wondered how something that small actually works \u2014 let alone how a factory turns out tens of thousands of identical units a month \u2014 you&#8217;re asking a better question than most buyers do.<\/span><\/p><p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">How earbuds are made<\/span><\/strong><\/span><span class=\"md-plain\"> isn&#8217;t just a curiosity. If you&#8217;re sourcing earbuds for an Amazon storefront, a private label launch, or a wholesale order, understanding the process is the difference between picking a factory that can hold a spec and picking one that can&#8217;t.<\/span><\/p><p class=\"md-end-block md-p\"><span class=\"md-plain\">I&#8217;ve spent years on the production floor side of this business, watching plastic pellets turn into shells and reels of components turn into finished PCBs. This article walks through that process stage by stage \u2014 not the marketing version, the actual sequence \u2014 and points out where quality gets built in or lost along the way.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-5d0b225 e-flex e-con-boxed e-con e-parent\" data-id=\"5d0b225\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\" data-core-v316-plus=\"true\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-97dd92f elementor-widget elementor-widget-image\" data-id=\"97dd92f\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<style>\/*! elementor - v3.17.0 - 08-11-2023 *\/\n.elementor-widget-image{text-align:center}.elementor-widget-image a{display:inline-block}.elementor-widget-image a img[src$=\".svg\"]{width:48px}.elementor-widget-image img{vertical-align:middle;display:inline-block}<\/style>\t\t\t\t\t\t\t\t\t\t\t\t<img fetchpriority=\"high\" decoding=\"async\" width=\"1000\" height=\"562\" src=\"https:\/\/www.tashells.com\/wp-content\/uploads\/2026\/08\/earbud-driver-components-before-assembly.webp\" class=\"attachment-full size-full wp-image-5521\" alt=\"Earbud driver components laid out before assembly\" srcset=\"https:\/\/www.tashells.com\/wp-content\/uploads\/2026\/08\/earbud-driver-components-before-assembly.webp 1000w, https:\/\/www.tashells.com\/wp-content\/uploads\/2026\/08\/earbud-driver-components-before-assembly-300x169.webp 300w, https:\/\/www.tashells.com\/wp-content\/uploads\/2026\/08\/earbud-driver-components-before-assembly-768x432.webp 768w, https:\/\/www.tashells.com\/wp-content\/uploads\/2026\/08\/earbud-driver-components-before-assembly-18x10.webp 18w, https:\/\/www.tashells.com\/wp-content\/uploads\/2026\/08\/earbud-driver-components-before-assembly-600x337.webp 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ffc3f1d e-flex e-con-boxed e-con e-parent\" data-id=\"ffc3f1d\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\" data-core-v316-plus=\"true\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-ef13698 elementor-widget elementor-widget-text-editor\" data-id=\"ef13698\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">The Short Answer: 11 Stages from Design to Shipping<\/span><\/h2><p class=\"md-end-block md-p\"><span class=\"md-plain\">Before the deep dive, here&#8217;s the process at a glance. Every legitimate earbuds factory follows some version of this sequence:<\/span><\/p><ol class=\"ol-list\" start=\"\"><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Product design and engineering<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Component sourcing (chipset, driver, battery, mic, PCB)<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Driver and acoustic engineering<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Injection molding of the shells<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">PCB assembly (SMT)<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Acoustic assembly and sealing<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Final assembly<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Firmware programming and pairing<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Quality control and testing<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Certification, branding, and packaging<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Warehousing and shipping<\/span><\/p><\/li><\/ol><p class=\"md-end-block md-p\"><span class=\"md-plain\">None of these steps is optional, and skipping or rushing any one of them is usually where the &#8220;why did my return rate spike&#8221; problems start. Let&#8217;s go through each one.<\/span><\/p><h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">Step 1: Product Design and Engineering<\/span><\/h2><p class=\"md-end-block md-p\"><span class=\"md-plain\">Every pair of earbuds starts as a design brief, not a mold. Before any tooling gets cut, engineers and industrial designers have to lock down:<\/span><\/p><ul class=\"ul-list\" data-mark=\"-\"><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Earbud shape and ear-fit ergonomics (in-ear, <a href=\"https:\/\/www.tashells.com\/product-category\/open-ear-earbuds-manufacturer\/\">open-ear<\/a>, or hook-style)<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Internal layout \u2014 where the battery, driver, mic, and antenna physically sit inside a shell that&#8217;s often smaller than a thumb<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Battery capacity for both the earbud and the charging case<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Acoustic chamber structure, which determines bass response before a single driver is installed<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Feature set: ANC, ENC, touch controls, Bluetooth version, IP rating<\/span><\/p><\/li><\/ul><p class=\"md-end-block md-p\"><span class=\"md-plain\">3D modeling comes first, followed by CNC-machined or 3D-printed prototypes for fit and comfort testing. This is also where a buyer&#8217;s requirements get translated into something a factory can actually tool for \u2014 if you&#8217;re working with an <\/span><span class=\"md-meta-i-c md-link\"><a href=\"https:\/\/www.tashells.com\/wholesale-earbuds\/\"><span class=\"md-plain\">existing wholesale platform<\/span><\/a><\/span><span class=\"md-plain\">, this stage is largely pre-built; if you&#8217;re doing a full custom project, expect several rounds of prototype revisions before the design freezes.<\/span><\/p><h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">Step 2: Component Sourcing<\/span><\/h2><p class=\"md-end-block md-p\"><span class=\"md-plain\">An earbud is a small device with a long bill of materials. Factories either manufacture components in-house or source them from qualified suppliers, and this is where component quality starts compounding into final product reliability.<\/span><\/p><p class=\"md-end-block md-p\"><span class=\"md-plain\">The core components include:<\/span><\/p><ul class=\"ul-list\" data-mark=\"-\"><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">Bluetooth chipset<\/span><\/strong><\/span><span class=\"md-plain\"> \u2014 <\/span><span class=\"md-meta-i-c md-link\"><a href=\"https:\/\/www.qualcomm.com\/products\/technology\/bluetooth\"><span class=\"md-plain\">Qualcomm QCC<\/span><\/a><\/span><span class=\"md-plain\">, Airoha, BES (Bestechnic), or Jieli, depending on the target price point and feature requirements<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">Speaker driver<\/span><\/strong><\/span><span class=\"md-plain\"> \u2014 the part that actually produces sound<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">Lithium battery<\/span><\/strong><\/span><span class=\"md-plain\"> \u2014 for both the earbud and the charging case, usually requiring UN38.3 transport documentation<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">Microphones<\/span><\/strong><\/span><span class=\"md-plain\"> \u2014 for calls, voice assistants, and ENC noise reduction<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">PCB (printed circuit board)<\/span><\/strong><\/span><span class=\"md-plain\"> \u2014 typically FR4 glass-reinforced epoxy laminate<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">Plastic housing materials<\/span><\/strong><\/span><span class=\"md-plain\"> \u2014 usually ABS or PC resin<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">Charging case internals<\/span><\/strong><\/span><span class=\"md-plain\"> \u2014 battery, charging chip, LED indicator, contacts<\/span><\/p><\/li><\/ul><p class=\"md-end-block md-p md-focus\"><span class=\"md-plain\">Codec support (SBC, AAC, aptX, LDAC, or LC3 for LE Audio) is largely determined by the chipset choice made at this stage, so it&#8217;s worth asking your factory which platform they&#8217;re building on before you lock in feature claims for your listing.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-402d2b1 e-flex e-con-boxed e-con e-parent\" data-id=\"402d2b1\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\" data-core-v316-plus=\"true\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-9d213d7 elementor-widget elementor-widget-image\" data-id=\"9d213d7\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1000\" height=\"562\" src=\"https:\/\/www.tashells.com\/wp-content\/uploads\/2026\/08\/tws-earbuds-pcb-chipset-components.webp\" class=\"attachment-full size-full wp-image-5522\" alt=\"\" srcset=\"https:\/\/www.tashells.com\/wp-content\/uploads\/2026\/08\/tws-earbuds-pcb-chipset-components.webp 1000w, https:\/\/www.tashells.com\/wp-content\/uploads\/2026\/08\/tws-earbuds-pcb-chipset-components-300x169.webp 300w, https:\/\/www.tashells.com\/wp-content\/uploads\/2026\/08\/tws-earbuds-pcb-chipset-components-768x432.webp 768w, https:\/\/www.tashells.com\/wp-content\/uploads\/2026\/08\/tws-earbuds-pcb-chipset-components-18x10.webp 18w, https:\/\/www.tashells.com\/wp-content\/uploads\/2026\/08\/tws-earbuds-pcb-chipset-components-600x337.webp 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-45bf190 e-flex e-con-boxed e-con e-parent\" data-id=\"45bf190\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\" data-core-v316-plus=\"true\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-761c21f elementor-widget elementor-widget-text-editor\" data-id=\"761c21f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">Step 3: Driver and Acoustic Engineering \u2014 How the Sound Actually Gets Made<\/span><\/h2><p class=\"md-end-block md-p\"><span class=\"md-plain\">This is the part most articles skip, and it&#8217;s the part that actually determines how the earbuds sound.<\/span><\/p><p class=\"md-end-block md-p\"><span class=\"md-plain\">Every dynamic driver works on the same basic principle as a full-size speaker, just shrunk down. A thin diaphragm \u2014 usually mylar, polyimide, or a composite film \u2014 is stretched and shaped to a precise tension. Around it, a voice coil made of fine copper or aluminum wire is wound with automated winding equipment, since even minor inconsistencies in coil winding show up as audible distortion. A permanent magnet, almost always neodymium for its strength-to-size ratio, is positioned to create a magnetic field around the coil.<\/span><\/p><p class=\"md-end-block md-p\"><span class=\"md-plain\">When an electrical audio signal runs through the coil, the interaction between the coil&#8217;s magnetic field and the driver&#8217;s magnet forces the diaphragm to vibrate. Those vibrations push air, and that&#8217;s the sound wave that reaches your ear. Higher-end designs sometimes use dual drivers per earbud \u2014 one tuned for bass, one for treble \u2014 or a balanced armature setup for more controlled frequency response.<\/span><\/p><p class=\"md-end-block md-p\"><span class=\"md-plain\">Once assembled, drivers go through frequency response and distortion testing before they&#8217;re approved for installation into the shell. A driver that measures well in isolation but gets installed into a poorly sealed acoustic chamber will still sound thin \u2014 which is why Step 6 matters as much as this one.<\/span><\/p><h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">Step 4: Injection Molding \u2014 Making the Shells<\/span><\/h2><p class=\"md-end-block md-p\"><span class=\"md-plain\">The outer shell of the earbud and its charging case is produced through injection molding. Plastic pellets, usually ABS or PC resin depending on the durability and finish requirements, are melted and injected under pressure into a precision steel mold.<\/span><\/p><p class=\"md-end-block md-p\"><span class=\"md-plain\">The mold itself is the single biggest tooling investment in a custom project \u2014 it determines the exact shape, wall thickness, and surface finish of the final product, and it&#8217;s expensive to modify once cut. After the plastic cools and solidifies, shells are ejected and visually inspected for flash, sink marks, or short shots. Higher-volume factories use robotic arms at this stage to keep cycle times and consistency stable across a production run, since human handling introduces more part-to-part variation.<\/span><\/p><p class=\"md-end-block md-p md-focus\"><span class=\"md-plain\">If you&#8217;re evaluating an ODM platform versus a <\/span><span class=\"md-meta-i-c  md-link\"><a href=\"https:\/\/www.tashells.com\/custom-earbuds\/\"><span class=\"md-plain\">full custom mold build<\/span><\/a><\/span><span class=\"md-plain\">, this is the stage where the cost and lead-time tradeoff shows up most clearly: an existing mold means samples in days, a new mold means weeks of tooling time before you see a single physical unit.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-a31671f e-flex e-con-boxed e-con e-parent\" data-id=\"a31671f\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\" data-core-v316-plus=\"true\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-0857b1c elementor-widget elementor-widget-text-editor\" data-id=\"0857b1c\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">Step 5: PCB Assembly (SMT)<\/span><\/h2><p class=\"md-end-block md-p\"><span class=\"md-plain\">The PCB is effectively the earbud&#8217;s brain \u2014 it manages Bluetooth connectivity, audio processing, power distribution, and touch or button inputs. It&#8217;s built using Surface Mount Technology (SMT):<\/span><\/p><ol class=\"ol-list\" start=\"\"><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Solder paste is printed onto the bare PCB<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">High-speed pick-and-place machines position each tiny component \u2014 resistors, capacitors, the Bluetooth chipset \u2014 onto the board<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">The populated board passes through a reflow oven, which melts the solder paste and permanently bonds each component in place<\/span><\/p><\/li><\/ol><p class=\"md-end-block md-p\"><span class=\"md-plain\">After reflow, boards go through automated optical inspection and functional testing before they&#8217;re cleared to move into acoustic assembly. A defect at this stage \u2014 a cold solder joint, a misplaced component \u2014 is far cheaper to catch here than after the earbud is fully sealed.<\/span><\/p><h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">Step 6: Acoustic Assembly and Sealing<\/span><\/h2><p class=\"md-end-block md-p\"><span class=\"md-plain\">This is one of the most quality-sensitive steps in the entire process, and it&#8217;s also one of the easiest to rush. Technicians install the tested driver into the shell, seal the acoustic chamber, and position the microphone precisely enough for clean voice pickup and effective noise cancellation.<\/span><\/p><p class=\"md-end-block md-p\"><span class=\"md-plain\">Sealing matters more than it sounds like it should. A slightly imperfect seal changes the internal air pressure of the acoustic chamber, which changes bass response \u2014 this is a common reason two units from the same production batch can sound noticeably different. Factories with real acoustic testing equipment sample-test units coming off this line specifically to catch that kind of variation before it reaches final QC.<\/span><\/p><h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">Step 7: Final Assembly<\/span><\/h2><p class=\"md-end-block md-p\"><span class=\"md-plain\">Final assembly brings every subsystem together into one working unit:<\/span><\/p><ul class=\"ul-list\" data-mark=\"-\"><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Installing the completed PCB into the earbud shell<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Connecting the battery and driver leads<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Sealing the housing, typically via ultrasonic welding or precision adhesive bonding<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Assembling the charging case, including the charging contacts and indicator LED<\/span><\/p><\/li><\/ul><p class=\"md-end-block md-p md-focus\"><span class=\"md-plain\">Most factories run this on semi-automated lines, with skilled workers handling the delicate manual steps \u2014 battery connection and housing alignment \u2014 that machines still can&#8217;t do as reliably as a trained technician.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-ee88796 e-flex e-con-boxed e-con e-parent\" data-id=\"ee88796\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\" data-core-v316-plus=\"true\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e0903e3 elementor-widget elementor-widget-text-editor\" data-id=\"e0903e3\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">Step 8: Firmware Programming and Pairing<\/span><\/h2><p class=\"md-end-block md-p\"><span class=\"md-plain\">Hardware assembly doesn&#8217;t make a working product on its own. Each unit gets flashed with firmware that handles Bluetooth pairing behavior, touch control mapping, ANC\/ENC tuning parameters, and battery management calibration. Earbuds are then paired to their specific charging case so the pairing and charging-status handoff works correctly out of the box.<\/span><\/p><p class=\"md-end-block md-p\"><span class=\"md-plain\">This is also where a lot of the &#8220;customization&#8221; an OEM client asks for actually happens \u2014 touch control sensitivity, ANC intensity presets, or voice prompt language are firmware-level changes, not hardware changes, which is part of why they&#8217;re relatively fast and inexpensive to adjust compared to a mold change.<\/span><\/p><h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">Step 9: <a href=\"https:\/\/www.tashells.com\/quality-control\/\">Quality Control<\/a> and Testing<\/span><\/h2><p class=\"md-end-block md-p\"><span class=\"md-plain\">No unit should reach packaging without clearing multiple QC checkpoints. On our own line, that looks like: incoming material inspection before parts ever reach the assembly floor, PCB and acoustic testing after SMT, in-process assembly inspection, 100% charging and battery aging testing on every unit (not a sample), and a final function and appearance check before anything is boxed.<\/span><\/p><p class=\"md-end-block md-p\"><span class=\"md-plain\">Beyond that, factories typically run:<\/span><\/p><ul class=\"ul-list\" data-mark=\"-\"><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Bluetooth range and connection stability testing<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Battery charge cycle and lifespan testing<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">Drop and durability testing<\/span><\/p><\/li><li class=\"md-list-item\"><p class=\"md-end-block md-p\"><span class=\"md-plain\">IPX water and sweat resistance testing, where applicable<\/span><\/p><\/li><\/ul><p class=\"md-end-block md-p md-focus\"><span class=\"md-plain\">The difference between a factory that treats QC as a checkpoint versus a formality shows up almost entirely in your return rate six months after launch \u2014 not in the sample you get approved.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-2a619fb e-flex e-con-boxed e-con e-parent\" data-id=\"2a619fb\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\" data-core-v316-plus=\"true\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1087436 elementor-widget elementor-widget-text-editor\" data-id=\"1087436\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">Step 10: Certification, Branding, and Packaging<\/span><\/h2><p class=\"md-end-block md-p\"><span class=\"md-plain\">For products headed to the US, EU, or Middle East, certification isn&#8217;t optional paperwork \u2014 it&#8217;s what gets your shipment through customs and keeps your Amazon listing compliant. Depending on the destination market, factories prepare documentation for <\/span><span class=\"md-meta-i-c  md-link\"><a href=\"https:\/\/www.fcc.gov\/oet\/ea\/fccid\"><span class=\"md-plain\">FCC<\/span><\/a><\/span><span class=\"md-plain\">, CE, RoHS, <\/span><span class=\"md-meta-i-c  md-link\"><a href=\"https:\/\/www.bluetooth.com\/develop-with-bluetooth\/qualification-listing\/\"><span class=\"md-plain\">BQB (Bluetooth SIG qualification)<\/span><\/a><\/span><span class=\"md-plain\">, UKCA, and UN38.3 for battery transport.<\/span><\/p><p class=\"md-end-block md-p\"><span class=\"md-plain\">For OEM and private label clients, this stage is also where branding gets applied: logo printing or laser engraving on the earbuds and case, custom color-box packaging, printed manuals, and any bundled accessories like extra ear tips or a charging cable. Packaging isn&#8217;t just protective at this point \u2014 for an Amazon listing, unboxing experience directly affects conversion and review sentiment, so it&#8217;s worth treating as a real design step rather than an afterthought.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-563d347 e-flex e-con-boxed e-con e-parent\" data-id=\"563d347\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\" data-core-v316-plus=\"true\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e874e70 elementor-widget elementor-widget-image\" data-id=\"e874e70\" data-element_type=\"widget\" data-widget_type=\"image.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<img decoding=\"async\" width=\"1000\" height=\"562\" src=\"https:\/\/www.tashells.com\/wp-content\/uploads\/2026\/08\/custom-branded-earbuds-packaging-charging-case.webp\" class=\"attachment-full size-full wp-image-5523\" alt=\"Custom branded earbuds packaging and charging case ready for shipment\" srcset=\"https:\/\/www.tashells.com\/wp-content\/uploads\/2026\/08\/custom-branded-earbuds-packaging-charging-case.webp 1000w, https:\/\/www.tashells.com\/wp-content\/uploads\/2026\/08\/custom-branded-earbuds-packaging-charging-case-300x169.webp 300w, https:\/\/www.tashells.com\/wp-content\/uploads\/2026\/08\/custom-branded-earbuds-packaging-charging-case-768x432.webp 768w, https:\/\/www.tashells.com\/wp-content\/uploads\/2026\/08\/custom-branded-earbuds-packaging-charging-case-18x10.webp 18w, https:\/\/www.tashells.com\/wp-content\/uploads\/2026\/08\/custom-branded-earbuds-packaging-charging-case-600x337.webp 600w\" sizes=\"(max-width: 1000px) 100vw, 1000px\" \/>\t\t\t\t\t\t\t\t\t\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-88c64df e-flex e-con-boxed e-con e-parent\" data-id=\"88c64df\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\" data-core-v316-plus=\"true\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-1b1c0e8 elementor-widget elementor-widget-text-editor\" data-id=\"1b1c0e8\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">Step 11: Warehousing and Shipping<\/span><\/h2><p class=\"md-end-block md-p\"><span class=\"md-plain\">Finished, QC-passed units move into warehousing ahead of shipment. Factories manage inventory control, export packaging, and logistics coordination across air, sea, or courier shipping, along with preparing the certification documentation buyers need for customs clearance.<\/span><\/p><p class=\"md-end-block md-p\"><span class=\"md-plain\">For reference, a typical OEM production timeline on an established platform runs something like this: sample preparation takes 5\u201310 days, packaging and branding confirmation another 5\u20137 days, and mass production 25\u201335 days once samples are approved. A full custom build with new tooling takes meaningfully longer, mostly due to mold fabrication time.<\/span><\/p><h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">What Are Earbuds Made Of?<\/span><\/h2><p class=\"md-end-block md-p\"><span class=\"md-plain\">Pulling the material list together from the steps above: the shell is ABS or PC plastic, the diaphragm is mylar, polyimide, or a composite film, the voice coil is copper or aluminum wire, the magnet is neodymium, the PCB substrate is FR4 epoxy laminate, ear tips are silicone or memory foam, and internal wiring or acoustic filters often use fine mesh fabric to protect the driver from moisture and debris. None of this is exotic \u2014 the complexity is in the tolerances, not the materials themselves.<\/span><\/p><h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">Wired vs. Wireless Earbuds: Does the Process Differ?<\/span><\/h2><p class=\"md-end-block md-p\"><span class=\"md-plain\">The core driver and acoustic engineering \u2014 Steps 3 and 6 \u2014 is essentially the same for wired and wireless earbuds, since both rely on the same diaphragm-coil-magnet mechanism to produce sound. What changes is everything wireless earbuds need on top of that: a Bluetooth chipset, a battery in each earbud, charging contacts, a charging case with its own battery and circuitry, and firmware to manage all of it.<\/span><\/p><p class=\"md-end-block md-p md-focus\"><span class=\"md-plain\">That&#8217;s why <a href=\"https:\/\/www.tashells.com\/tws-earbuds-guide\/\">true wireless (TWS) earbuds<\/a> involve more component sourcing, more PCB complexity, and more QC checkpoints than a wired pair \u2014 there&#8217;s simply more that can go wrong, and more that needs testing.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-8313d05 e-flex e-con-boxed e-con e-parent\" data-id=\"8313d05\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\" data-core-v316-plus=\"true\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e48ed8a elementor-widget elementor-widget-text-editor\" data-id=\"e48ed8a\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">OEM vs. ODM: Where You Enter This Process as a Buyer<\/span><\/h2><p class=\"md-end-block md-p\"><span class=\"md-plain\">Most buyers don&#8217;t walk in at Step 1. They enter at a specific point in this process, and which point depends on the sourcing model:<\/span><\/p><figure class=\"md-table-fig\"><table class=\"md-table\"><thead><tr class=\"md-end-block\"><th><span class=\"td-span\"><span class=\"md-plain\">Sourcing Model<\/span><\/span><\/th><th><span class=\"td-span\"><span class=\"md-plain\">You Enter Around<\/span><\/span><\/th><th><span class=\"td-span\"><span class=\"md-plain\">What&#8217;s Already Fixed<\/span><\/span><\/th><th><span class=\"td-span\"><span class=\"md-plain\">Speed &amp; Risk<\/span><\/span><\/th><\/tr><\/thead><tbody><tr class=\"md-end-block\"><td><span class=\"td-span\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">ODM<\/span><\/strong><\/span><span class=\"md-plain\"> (existing platform)<\/span><\/span><\/td><td><span class=\"td-span\"><span class=\"md-plain\">Step 8\u201310 (firmware, branding, packaging)<\/span><\/span><\/td><td><span class=\"td-span\"><span class=\"md-plain\">Mold and chipset combination, pre-validated<\/span><\/span><\/td><td><span class=\"td-span\"><span class=\"md-plain\">Fastest, lowest risk, lowest capital<\/span><\/span><\/td><\/tr><tr class=\"md-end-block\"><td><span class=\"td-span\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">OEM<\/span><\/strong><\/span><span class=\"md-plain\"> (semi-custom)<\/span><\/span><\/td><td><span class=\"td-span\"><span class=\"md-plain\">Step 4\u20138<\/span><\/span><\/td><td><span class=\"td-span\"><span class=\"md-plain\">Base platform, with color\/housing\/firmware tweaks<\/span><\/span><\/td><td><span class=\"td-span\"><span class=\"md-plain\">Moderate speed, moderate control<\/span><\/span><\/td><\/tr><tr class=\"md-end-block\"><td><span class=\"td-span\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">Full custom<\/span><\/strong><\/span><span class=\"md-plain\"> development<\/span><\/span><\/td><td><span class=\"td-span\"><span class=\"md-plain\">Step 1<\/span><\/span><\/td><td><span class=\"td-span\"><span class=\"md-plain\">Nothing \u2014 new mold, possibly new acoustic chamber<\/span><\/span><\/td><td><span class=\"td-span\"><span class=\"md-plain\">Slowest, highest cost, full control<\/span><\/span><\/td><\/tr><\/tbody><\/table><\/figure><p class=\"md-end-block md-p\"><span class=\"md-plain\">For most Amazon sellers testing a new SKU, an ODM platform gets you to market faster and with less capital at risk than a full custom build \u2014 the manufacturing fundamentals are already proven, and your differentiation comes from branding, firmware tuning, and packaging rather than hardware you&#8217;d need to validate from scratch.<\/span><\/p><h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">Choosing a Manufacturing Partner<\/span><\/h2><p class=\"md-end-block md-p\"><span class=\"md-plain\">Once you understand the process, evaluating a factory gets a lot more concrete. Ask specifically which chipset platform they build on, what their QC checkpoints look like at each stage (not just &#8220;we test everything&#8221;), whether 100% of units go through battery aging testing or just a sample, and what certifications they routinely prepare for your target market.<\/span><\/p><p class=\"md-end-block md-p md-focus\"><span class=\"md-plain\">At <\/span><span class=\"md-meta-i-c md-link\"><a href=\"https:\/\/www.tashells.com\/earbuds-factory-china\/\"><span class=\"md-plain\">Tashells Audio<\/span><\/a><\/span><span class=\"md-plain\">, this is the process we run on our own <\/span><span class=\"md-meta-i-c md-link\"><a href=\"https:\/\/www.tashells.com\/product-category\/tws-earbuds\/\"><span class=\"md-plain\">TWS and ANC earbuds lines<\/span><\/a><\/span><span class=\"md-plain\"> in Dongguan \u2014 injection molding and PCB assembly in-house, acoustic testing at multiple checkpoints, and 100% charging and battery aging testing before anything reaches packaging. If you&#8217;re evaluating an <\/span><span class=\"md-meta-i-c md-link\"><a href=\"https:\/\/www.tashells.com\/oem-odm-service\/\"><span class=\"md-plain\">OEM or private label project<\/span><\/a><\/span><span class=\"md-plain\">, it&#8217;s worth walking your factory through this same sequence and seeing where their answers get vague.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-33c17a1 e-flex e-con-boxed e-con e-parent\" data-id=\"33c17a1\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\" data-core-v316-plus=\"true\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-e599b8f elementor-widget elementor-widget-text-editor\" data-id=\"e599b8f\" data-element_type=\"widget\" data-widget_type=\"text-editor.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t\t\t\t\t<h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">FAQ<\/span><\/h2><p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">What are earbuds made of?<\/span><\/strong><\/span> <span class=\"md-plain\">Earbuds combine plastic housings (ABS or PC resin), a driver assembly with a mylar or polyimide diaphragm, a copper voice coil, and a neodymium magnet, an FR4 PCB, a lithium battery, and silicone or foam ear tips. Wireless models add a Bluetooth chipset and charging case electronics.<\/span><\/p><p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">How long does it take to manufacture earbuds?<\/span><\/strong><\/span> <span class=\"md-plain\">On an established OEM platform, expect roughly 5\u201310 days for sample preparation, 5\u20137 days for packaging and branding confirmation, and 25\u201335 days for mass production once samples are approved. A full custom design with new tooling adds several additional weeks for mold fabrication.<\/span><\/p><p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">How is sound produced inside an earbud?<\/span><\/strong><\/span> <span class=\"md-plain\">An electrical audio signal passes through a voice coil positioned inside a magnetic field created by a permanent magnet. The interaction between the two forces makes the coil \u2014 and the diaphragm attached to it \u2014 vibrate, which pushes air and produces the sound wave you hear.<\/span><\/p><p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">What&#8217;s the difference between OEM and ODM earbuds manufacturing?<\/span><\/strong><\/span> <span class=\"md-plain\">ODM means you&#8217;re building on an existing, pre-validated mold and chipset platform with customization limited mostly to branding and firmware. OEM\/custom development means new tooling and a design process that starts much earlier, with more control but a longer timeline and higher upfront cost.<\/span><\/p><p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">Why do some earbuds cost more than others?<\/span><\/strong><\/span> <span class=\"md-plain\">Cost differences usually trace back to chipset platform (Qualcomm generally costs more than Jieli or BES), driver quality and configuration (dual drivers or balanced armatures cost more than a single dynamic driver), certification scope, QC rigor (100% testing versus sampling), and tooling amortization if a custom mold is involved.<\/span><\/p><p class=\"md-end-block md-p\"><span class=\"md-pair-s \"><strong><span class=\"md-plain\">Are wired and wireless earbuds manufactured differently?<\/span><\/strong><\/span> <span class=\"md-plain\">The core acoustic components \u2014 diaphragm, coil, magnet \u2014 are essentially the same. Wireless earbuds add a Bluetooth chipset, per-earbud batteries, a charging case, and firmware, which means more components to source, more assembly steps, and more QC checkpoints than a wired pair.<\/span><\/p><h2 class=\"md-end-block md-heading\"><span class=\"md-plain\">Final Thoughts<\/span><\/h2><p class=\"md-end-block md-p\"><span class=\"md-plain\">Manufacturing earbuds is a sequence of small, testable decisions \u2014 chipset platform, driver configuration, mold tolerance, QC checkpoints \u2014 each of which shows up later as either a product your customers trust or a spike in returns you didn&#8217;t see coming. Knowing the process doesn&#8217;t just satisfy curiosity; it gives you the right questions to ask before you commit to a factory.<\/span><\/p><p class=\"md-end-block md-p md-focus\"><span class=\"md-plain\">If you&#8217;re sourcing your next earbuds SKU and want to see this process applied to your own project, <\/span><span class=\"md-meta-i-c  md-link\"><a href=\"https:\/\/www.tashells.com\/contact-us\/\"><span class=\"md-plain\">get in touch with our team<\/span><\/a><\/span><span class=\"md-plain\"> for a quote or sample request.<\/span><\/p>\t\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t\t\t\t<\/div>\n\t\t\t\t<\/div>\n\t\t<div class=\"elementor-element elementor-element-82e3a9c e-flex e-con-boxed e-con e-parent\" data-id=\"82e3a9c\" data-element_type=\"container\" data-settings=\"{&quot;content_width&quot;:&quot;boxed&quot;}\" data-core-v316-plus=\"true\">\n\t\t\t\t\t<div class=\"e-con-inner\">\n\t\t\t\t<div class=\"elementor-element elementor-element-a1b4937 elementor-widget elementor-widget-wpforms\" data-id=\"a1b4937\" data-element_type=\"widget\" data-widget_type=\"wpforms.default\">\n\t\t\t\t<div class=\"elementor-widget-container\">\n\t\t\t<div class=\"wpforms-container wpforms-container-full wpforms-render-modern\" id=\"wpforms-178\"><form id=\"wpforms-form-178\" class=\"wpforms-validate wpforms-form wpforms-ajax-form\" data-formid=\"178\" method=\"post\" enctype=\"multipart\/form-data\" action=\"\/es\/wp-json\/wp\/v2\/posts\/5519\" data-token=\"be940ff94421271d095545de96bedc68\" data-token-time=\"1787230888\"><noscript class=\"wpforms-error-noscript\">Por favor, activa JavaScript en tu navegador para completar este formulario.<\/noscript><div id=\"wpforms-error-noscript\" style=\"display: none;\">Por favor, activa JavaScript en tu navegador para completar este formulario.<\/div><div class=\"wpforms-field-container\"><div id=\"wpforms-178-field_0-container\" class=\"wpforms-field wpforms-field-name\" data-field-id=\"0\"><label 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class=\"wpforms-recaptcha-hidden\" style=\"position:absolute!important;clip:rect(0,0,0,0)!important;height:1px!important;width:1px!important;border:0!important;overflow:hidden!important;padding:0!important;margin:0!important;\" data-rule-recaptcha=\"1\"><\/div><div class=\"wpforms-submit-container\" ><input type=\"hidden\" name=\"wpforms[id]\" value=\"178\"><input type=\"hidden\" name=\"page_title\" value=\"\"><input type=\"hidden\" name=\"page_url\" value=\"https:\/\/www.tashells.com\/es\/wp-json\/wp\/v2\/posts\/5519\"><input type=\"hidden\" name=\"url_referer\" value=\"\"><button type=\"submit\" name=\"wpforms[submit]\" id=\"wpforms-submit-178\" class=\"wpforms-submit\" data-alt-text=\"Send...\" data-submit-text=\"Send\" aria-live=\"assertive\" value=\"wpforms-submit\">Send<\/button><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/www.tashells.com\/wp-content\/plugins\/wpforms-lite\/assets\/images\/submit-spin.svg\" class=\"wpforms-submit-spinner\" style=\"display: none;\" 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A Factory-Floor Look at the Full Manufacturing Process If you&#8217;ve ever pulled a pair of earbuds out of a charging case and wondered how something that small actually works \u2014 let alone how a factory turns out tens of thousands of identical units a month \u2014 you&#8217;re asking a better question&hellip;&nbsp;<a href=\"https:\/\/www.tashells.com\/es\/how-are-earbuds-made\/\" class=\"\" rel=\"bookmark\">Leer m\u00e1s &raquo;<span class=\"screen-reader-text\">\u00bfC\u00f3mo se fabrican los auriculares intraurales? Un vistazo al proceso de fabricaci\u00f3n completo desde la planta de producci\u00f3n.<\/span><\/a><\/p>","protected":false},"author":3,"featured_media":0,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"elementor_header_footer","format":"standard","meta":{"neve_meta_sidebar":"","neve_meta_container":"","neve_meta_enable_content_width":"","neve_meta_content_width":0,"neve_meta_title_alignment":"","neve_meta_author_avatar":"","neve_post_elements_order":"","neve_meta_disable_header":"","neve_meta_disable_footer":"","neve_meta_disable_title":"","_themeisle_gutenberg_block_has_review":false,"footnotes":""},"categories":[1],"tags":[1082],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v21.9.1 - https:\/\/yoast.com\/wordpress\/plugins\/seo\/ -->\n<title>How Are Earbuds Made? Step-by-Step Manufacturing Process<\/title>\n<meta name=\"description\" content=\"How are earbuds made, from driver assembly to injection molding to final QC? 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