{"product_id":"40mm-hifi-headphone-speaker-driver-unit-112db-32ohm-diy","title":"40mm HiFi Headphone Speaker Driver Unit 112dB 32 Ohm DIY","description":"\u003ch2\u003e40mm HiFi Headphone Speaker Driver Unit — Crystal-Clear Audio for DIY Builds \u0026amp; Repairs\u003c\/h2\u003e\n\n\u003cp\u003eUpgrade or restore your favorite headphones with this precision-engineered \u003cstrong\u003e40mm HiFi Headphone Speaker Driver Unit\u003c\/strong\u003e. Delivering an impressive \u003cstrong\u003e112dB sensitivity\u003c\/strong\u003e at \u003cstrong\u003e32 Ohms\u003c\/strong\u003e impedance, this driver unit reproduces rich, detailed sound across the full frequency range — making it the ideal choice for DIY audio enthusiasts, repair technicians, and audiophiles alike.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDriver Diameter:\u003c\/strong\u003e 40mm (1.57 inches)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eImpedance:\u003c\/strong\u003e 32 Ohms\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSensitivity:\u003c\/strong\u003e 112dB\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eMaterials:\u003c\/strong\u003e Metal \u0026amp; Plastic construction for durability and acoustic performance\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eQuantity:\u003c\/strong\u003e 2 pieces per set (L + R stereo pair)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWide Compatibility\u003c\/h3\u003e\n\u003cp\u003eThis versatile 40mm speaker driver unit is compatible with a broad range of popular headphone models, including:\u003c\/p\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBose:\u003c\/strong\u003e QC2, QC3, QC15, QC25, QC35, AE2, OE2, 700\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBeats:\u003c\/strong\u003e Solo 2, Solo 3, EP (Wired)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eRazer:\u003c\/strong\u003e Kraken 7.1\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAKG:\u003c\/strong\u003e K55, K420, K430, K450\u003c\/li\u003e\n  \u003cli\u003eMost standard 40mm driver headphone housings\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eWhy Choose This Speaker Driver Unit?\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e🎵 \u003cstrong\u003eHigh-Fidelity Sound:\u003c\/strong\u003e 112dB sensitivity ensures clear, dynamic audio output\u003c\/li\u003e\n  \u003cli\u003e🔧 \u003cstrong\u003eDIY \u0026amp; Repair Ready:\u003c\/strong\u003e Perfect for replacing worn-out or damaged drivers without replacing the entire headset\u003c\/li\u003e\n  \u003cli\u003e⚙️ \u003cstrong\u003eDurable Build:\u003c\/strong\u003e Metal and plastic hybrid construction balances structural integrity with lightweight design\u003c\/li\u003e\n  \u003cli\u003e🎧 \u003cstrong\u003eUniversal Fit:\u003c\/strong\u003e Standard 40mm size fits a wide variety of over-ear and on-ear headphone shells\u003c\/li\u003e\n  \u003cli\u003e💡 \u003cstrong\u003eGreat for Builders:\u003c\/strong\u003e Ideal for custom DIY headphone projects where high-quality drivers are essential\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003ePerfect For\u003c\/h3\u003e\n\u003cp\u003eWhether you're a seasoned audio engineer, a headphone repair hobbyist, or a DIY electronics enthusiast building your own custom pair of cans, this speaker driver unit delivers the performance and reliability you need at an excellent value.\u003c\/p\u003e\n\n\u003cp\u003eFor more information on headphone audio standards and how drivers affect sound quality, visit the \u003ca href=\"https:\/\/www.nist.gov\" target=\"_blank\" rel=\"noopener noreferrer\"\u003eNational Institute of Standards and Technology (NIST)\u003c\/a\u003e for consumer electronics guidance.\u003c\/p\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\n\u003ch4\u003eQ: What headphone models is this 40mm HiFi speaker driver unit compatible with?\u003c\/h4\u003e\n\u003cp\u003eA: This 40mm, 32 Ohm driver unit is compatible with a wide range of popular headphone models including Bose QC2, QC3, QC15, QC25, QC35, AE2, OE2, and 700 series; Beats Solo 2, Solo 3, and EP Wired; Razer Kraken 7.1; and AKG K55, K420, K430, and K450. It also fits most standard over-ear or on-ear headphone housings designed for a 40mm driver.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What does 112dB sensitivity mean for a headphone driver unit?\u003c\/h4\u003e\n\u003cp\u003eA: Sensitivity (measured in decibels, dB) indicates how efficiently a driver converts electrical signal into sound. At 112dB, this driver unit produces loud, clear audio even with lower-powered sources, making it excellent for both DIY custom builds and headphone restoration projects.\u003c\/p\u003e\n\n\u003ch4\u003eQ: How many driver units are included in one purchase?\u003c\/h4\u003e\n\u003cp\u003eA: Each purchase includes 2 speaker driver units (one left, one right), giving you a complete stereo pair for a full headphone repair or DIY build.\u003c\/p\u003e\n\n\u003ch4\u003eQ: What materials is the 40mm headphone driver unit made from?\u003c\/h4\u003e\n\u003cp\u003eA: The driver unit is constructed from a combination of metal and plastic components. The metal elements provide structural rigidity and acoustic resonance characteristics, while the plastic components keep the overall weight low — ideal for comfortable, long-wearing headphone builds.\u003c\/p\u003e\n\n\u003ch4\u003eQ: Is this driver unit suitable for complete DIY headphone builds from scratch?\u003c\/h4\u003e\n\u003cp\u003eA: Yes! With its standard 40mm diameter, 32 Ohm impedance, and high 112dB sensitivity, this speaker driver unit is a popular choice for audiophile DIY headphone projects. It fits a wide range of custom headphone cups and shells available in the hobbyist market.\u003c\/p\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"FAQPage\", \"mainEntity\": [{\"@type\": \"Question\", \"name\": \"What headphone models is this 40mm HiFi speaker driver unit compatible with?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"This 40mm, 32 Ohm driver unit is compatible with a wide range of popular headphone models including Bose QC2, QC3, QC15, QC25, QC35, AE2, OE2, and 700 series; Beats Solo 2, Solo 3, and EP Wired; Razer Kraken 7.1; and AKG K55, K420, K430, and K450. It also fits most standard over-ear or on-ear headphone housings designed for a 40mm driver.\"}}, {\"@type\": \"Question\", \"name\": \"What does 112dB sensitivity mean for a headphone driver unit?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Sensitivity (measured in decibels, dB) indicates how efficiently a driver converts electrical signal into sound. At 112dB, this driver unit produces loud, clear audio even with lower-powered sources, making it excellent for both DIY custom builds and headphone restoration projects.\"}}, {\"@type\": \"Question\", \"name\": \"How many driver units are included in one purchase?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Each purchase includes 2 speaker driver units (one left, one right), giving you a complete stereo pair for a full headphone repair or DIY build.\"}}, {\"@type\": \"Question\", \"name\": \"What materials is the 40mm headphone driver unit made from?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"The driver unit is constructed from a combination of metal and plastic components. The metal elements provide structural rigidity and acoustic resonance characteristics, while the plastic components keep the overall weight low — ideal for comfortable, long-wearing headphone builds.\"}}, {\"@type\": \"Question\", \"name\": \"Is this driver unit suitable for complete DIY headphone builds from scratch?\", \"acceptedAnswer\": {\"@type\": \"Answer\", \"text\": \"Yes! With its standard 40mm diameter, 32 Ohm impedance, and high 112dB sensitivity, this speaker driver unit is a popular choice for audiophile DIY headphone projects. It fits a wide range of custom headphone cups and shells available in the hobbyist market.\"}}]}\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e{\"@context\": \"https:\/\/schema.org\", \"@type\": \"BreadcrumbList\", \"itemListElement\": [{\"@type\": \"ListItem\", \"position\": 1, \"name\": \"Home\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/\"}, {\"@type\": \"ListItem\", \"position\": 2, \"name\": \"Phone \u0026 Cable Accessories\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/collections\/phone-cable-accessories\"}, {\"@type\": \"ListItem\", \"position\": 3, \"name\": \"40mm HiFi Headphone Speaker Driver Unit 112dB 32 Ohm DIY\", \"item\": \"https:\/\/vpggdm-rp.myshopify.com\/products\/40mm-hifi-headphone-speaker-driver-unit-112db-32ohm-diy\"}]}\u003c\/script\u003e","brand":"Qme","offers":[{"title":"onesize","offer_id":49731053584598,"sku":"14:33#onesize","price":12.68,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0827\/5243\/8486\/files\/Se2ed9d224e514ece9c2577149d4c5d22x.webp?v=1785307756","url":"https:\/\/qmeboost.com\/products\/40mm-hifi-headphone-speaker-driver-unit-112db-32ohm-diy","provider":"Qme","version":"1.0","type":"link"}