{"product_id":"20-pin-audio-amplifier-module-board-connector-male-female-oem","title":"20-Pin Audio Amplifier Module Board Connector – Male \u0026 Female OEM","description":"\u003ch2\u003e20-Pin Audio Amplifier Module Board Wire Harness Connector – Male \u0026amp; Female OEM\u003c\/h2\u003e\n\u003cp\u003eThis \u003cstrong\u003e20-pin connector\u003c\/strong\u003e is used in automotive premium audio amplifier module harnesses. Factory-fitted premium audio systems — including Bose, Harman Kardon, JBL, Bang \u0026amp; Olufsen, and Burmester — use a dedicated amplifier module that requires a high-density connector to carry all audio input, output, power, and control circuits. The 20-pin configuration integrates audio input signals, speaker output circuits, power supply, ground, and CAN bus control circuits. Available in Male and Female variants, bare or with 15cm pre-wired leads.\u003c\/p\u003e\n\n\u003ch3\u003eKey Specifications\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin count:\u003c\/strong\u003e 20-pin\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eGender options:\u003c\/strong\u003e Male \/ Female\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHousing material:\u003c\/strong\u003e Nylon (PA66)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eAvailable as:\u003c\/strong\u003e Bare connector or 15cm pre-wired leads\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eApplication:\u003c\/strong\u003e Premium audio amplifier module harness\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003e20-Pin Amplifier Circuit Breakdown\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePins 1–4:\u003c\/strong\u003e Audio input signals from head unit (front L\/R, rear L\/R — pre-amplified RCA-level signals)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePins 5–6:\u003c\/strong\u003e Subwoofer input signal (L\/R)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePins 7–10:\u003c\/strong\u003e Front speaker output (Left +\/−, Right +\/− — amplified output to speakers)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePins 11–14:\u003c\/strong\u003e Rear speaker output (Left +\/−, Right +\/−)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePins 15–16:\u003c\/strong\u003e Subwoofer output (+\/−)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 17:\u003c\/strong\u003e Amplifier power supply (12V, ignition-switched)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 18:\u003c\/strong\u003e Amplifier constant power (battery backup)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 19:\u003c\/strong\u003e Ground (chassis earth)\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003ePin 20:\u003c\/strong\u003e CAN bus or remote turn-on signal (amplifier enable)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eCommon Fault Symptoms\u003c\/h3\u003e\n\u003cul\u003e\n  \u003cli\u003eNo audio from all speakers (amplifier power\/ground pins corroded)\u003c\/li\u003e\n  \u003cli\u003eAudio from some speakers but not others (individual output pins corroded)\u003c\/li\u003e\n  \u003cli\u003eDistorted audio or crackling (high-resistance contact on audio signal pins)\u003c\/li\u003e\n  \u003cli\u003eAmplifier not turning on (remote turn-on or CAN bus pin affected)\u003c\/li\u003e\n  \u003cli\u003eSubwoofer not working (subwoofer output pins corroded)\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eQ: My premium audio system has no bass but other speakers work — is this the connector?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Corroded subwoofer output pins (pins 15–16) cause subwoofer failure while other speakers continue to work. This is a common symptom of partial connector corrosion on amplifier module connectors, especially in vehicles where the amplifier is mounted in the boot (trunk) area where moisture can accumulate.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Can I use this connector for an aftermarket amplifier installation?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The 20-pin pre-wired version is commonly used for aftermarket amplifier installations where the installer needs to extend or repair the factory harness before connecting to an aftermarket amplifier.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Are terminals included?\u003c\/strong\u003e\u003cbr\u003eA: Yes, terminals are included with all variants.\u003c\/p\u003e","brand":"Cable Parts Online","offers":[{"title":"Male Connector","offer_id":47831542825205,"sku":"14:202642826#Male Connector","price":16.8,"currency_code":"USD","in_stock":true},{"title":"Male 15CM","offer_id":47831542595829,"sku":"14:365458#Male 15CM","price":49.0,"currency_code":"USD","in_stock":true},{"title":"Grey Female","offer_id":47831542628597,"sku":"14:200001951#Grey Female","price":15.9,"currency_code":"USD","in_stock":true},{"title":"Grey Female 15CM","offer_id":47831542530293,"sku":"14:350852#Grey Female 15CM","price":48.8,"currency_code":"USD","in_stock":true},{"title":"Grey Needle holder","offer_id":47831542759669,"sku":"14:200004890#Grey Needle holder","price":16.6,"currency_code":"USD","in_stock":true},{"title":"Brown Female","offer_id":47831542661365,"sku":"14:200000914#Brown Female","price":16.7,"currency_code":"USD","in_stock":true},{"title":"Brown Female 15CM","offer_id":47831542890741,"sku":"14:350853#Brown Female 15CM","price":49.8,"currency_code":"USD","in_stock":true},{"title":"Brown Needle holder","offer_id":47831542792437,"sku":"14:200004891#Brown Needle holder","price":17.8,"currency_code":"USD","in_stock":true},{"title":"Green Female","offer_id":47831542563061,"sku":"14:100018786#Green Female","price":16.7,"currency_code":"USD","in_stock":true},{"title":"Green Female 15CM","offer_id":47831542923509,"sku":"14:10#Green Female 15CM","price":49.8,"currency_code":"USD","in_stock":true},{"title":"Green Needle holder","offer_id":47831542694133,"sku":"14:200003699#Green Needle holder","price":17.8,"currency_code":"USD","in_stock":true},{"title":"Black Female","offer_id":47831542726901,"sku":"14:200002130#Black Female","price":15.9,"currency_code":"USD","in_stock":true},{"title":"Black Female 15CM","offer_id":47831542497525,"sku":"14:350850#Black Female 15CM","price":48.8,"currency_code":"USD","in_stock":true},{"title":"Black Needle holder","offer_id":47831542857973,"sku":"14:200004889#Black Needle holder","price":16.6,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0732\/3494\/0149\/files\/Sb6ebbd6816df4b7d8b9553fab6a4db5f8.webp?v=1773629291","url":"https:\/\/www.csldmcml.com\/products\/20-pin-audio-amplifier-module-board-connector-male-female-oem","provider":"Cable Parts Online","version":"1.0","type":"link"}