{"product_id":"rear-input-pcb-board-for-hk-4000-professional-power-amplifier","title":"Rear Input PCB Board for HK-4000 Professional Power Amplifier","description":"\u003cp data-path-to-node=\"5\"\u003eGenuine high-quality replacement Rear Input PCB specifically designed for the \u003cb data-path-to-node=\"5\" data-index-in-node=\"97\"\u003eHK-4000 Professional Power Amplifier\u003c\/b\u003e. This board features dual XLR inputs and outputs, sensitivity selection, and integrated crossover\/mode switches to restore your amplifier's full functionality.\u003c\/p\u003e\n\u003cp data-path-to-node=\"6\"\u003e\u003cb data-path-to-node=\"6\" data-index-in-node=\"0\"\u003eKey Features:\u003c\/b\u003e\u003c\/p\u003e\n\u003cul data-path-to-node=\"7\"\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,0,0\"\u003e\u003cb data-path-to-node=\"7,0,0\" data-index-in-node=\"0\"\u003eDirect Fit:\u003c\/b\u003e Engineered specifically for the HK-4000 model for seamless installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,1,0\"\u003e\u003cb data-path-to-node=\"7,1,0\" data-index-in-node=\"0\"\u003eProfessional Connectivity:\u003c\/b\u003e Features 2 Female XLR Inputs (Push-lock) and 2 Male XLR Link Outputs.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,2,0\"\u003e\u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"0\"\u003eIntegrated Controls:\u003c\/b\u003e Includes sliding switches for \u003cb data-path-to-node=\"7,2,0\" data-index-in-node=\"51\"\u003eInput Sensitivity (0.775V\/1.0V\/1.44V)\u003c\/b\u003e, Ground\/Lift, Stereo\/Parallel\/Bridge modes, and High\/Low Pass Filters.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,3,0\"\u003e\u003cb data-path-to-node=\"7,3,0\" data-index-in-node=\"0\"\u003eDurable Build:\u003c\/b\u003e High-grade PCB with premium capacitors and gold-plated pins for optimal signal integrity and low noise.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp data-path-to-node=\"7,4,0\"\u003e\u003cb data-path-to-node=\"7,4,0\" data-index-in-node=\"0\"\u003ePlug-and-Play:\u003c\/b\u003e Comes with multi-pin header connectors (VOL-A, VOL-B, CH1, CH2) for easy internal wiring.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr data-path-to-node=\"8\"\u003e\n\u003ch2 data-path-to-node=\"9\"\u003e\u003cb data-path-to-node=\"9\" data-index-in-node=\"0\"\u003eTechnical Specifications\u003c\/b\u003e\u003c\/h2\u003e\n\u003ctable data-path-to-node=\"10\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cstrong\u003eFeature\u003c\/strong\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cstrong\u003eDetails\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,0,0\"\u003e\u003cb data-path-to-node=\"10,1,0,0\" data-index-in-node=\"0\"\u003eCompatible Model\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,1,1,0\"\u003eHK-4000 \u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,0,0\"\u003e\u003cb data-path-to-node=\"10,2,0,0\" data-index-in-node=\"0\"\u003eInput Ports\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,2,1,0\"\u003e2 x Balanced XLR Female\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,0,0\"\u003e\u003cb data-path-to-node=\"10,3,0,0\" data-index-in-node=\"0\"\u003eOutput Ports\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,3,1,0\"\u003e2 x Balanced XLR Male (Link)\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,4,0,0\"\u003e\u003cb data-path-to-node=\"10,4,0,0\" data-index-in-node=\"0\"\u003eSelectable Sensitivity\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,4,1,0\"\u003e\u003cspan class=\"math-inline\" data-math=\"0.775V\" data-index-in-node=\"0\"\u003e$0.775V$\u003c\/span\u003e \/ \u003cspan class=\"math-inline\" data-math=\"1.0V\" data-index-in-node=\"9\"\u003e$1.0V$\u003c\/span\u003e \/ \u003cspan class=\"math-inline\" data-math=\"1.44V\" data-index-in-node=\"16\"\u003e$1.44V$\u003c\/span\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,5,0,0\"\u003e\u003cb data-path-to-node=\"10,5,0,0\" data-index-in-node=\"0\"\u003eFilter Modes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,5,1,0\"\u003eFull \/ High Pass (\u003cspan class=\"math-inline\" data-math=\"30Hz\" data-index-in-node=\"18\"\u003e$30Hz$\u003c\/span\u003e or \u003cspan class=\"math-inline\" data-math=\"110Hz\" data-index-in-node=\"26\"\u003e$110Hz$\u003c\/span\u003e) \/ Low Pass\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,6,0,0\"\u003e\u003cb data-path-to-node=\"10,6,0,0\" data-index-in-node=\"0\"\u003eOperating Modes\u003c\/b\u003e\u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan data-path-to-node=\"10,6,1,0\"\u003eStereo, Parallel, Bridge\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e","brand":"SLVSALES","offers":[{"title":"Default Title","offer_id":45801954181306,"sku":null,"price":3600.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0687\/6377\/9258\/files\/Screenshot2026-04-24104640.png?v=1777007959","url":"https:\/\/www.slvsales.in\/products\/rear-input-pcb-board-for-hk-4000-professional-power-amplifier","provider":"SLVSALES","version":"1.0","type":"link"}