{"product_id":"cadence-560-watt-2-ohm-3-channel-class-d-car-audio-amplifier-qr80-3","title":"Cadence 560W Class D 3-Channel Amplifier 2-Ohm Car Audio QR80.3","description":"\u003cul\u003e\n\u003cli\u003e3-Channel Power Design: Combines stereo clarity and subwoofer strength with 560 watts RMS total output.\u003c\/li\u003e\n\u003cli\u003eClass D MOSFET Efficiency: Delivers high power with minimal heat and distortion.\u003c\/li\u003e\n\u003cli\u003eAdjustable Sound Control: Fine-tune bass boost, HPF, and LPF for a customized soundstage.\u003c\/li\u003e\n\u003cli\u003eCompact and Sleek Build: Aluminum alloy body for durability and heat dissipation in a stylish finish.\u003c\/li\u003e\n\u003cli\u003eStable, Protected Performance: 4-way protection circuitry ensures safe and reliable operation under any load.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cbr\u003e\u003cbr\u003e\u003cp\u003e\u003cstrong\u003eCadence 560W Class D 3-Channel Amplifier 2-Ohm Car Audio QR80.3\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eThis Listing Includes:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003e(1) Cadence QR80.3 3-Channel Class D Car Amplifier\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003eThe Cadence QR80.3 from the Quartz Resonance Series delivers precision, power, and clarity through a refined 3-channel design. Engineered for performance and flexibility, it merges the brilliance of stereo sound with the impact of subwoofer power, creating a full, immersive audio experience.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003eThe Class D MOSFET architecture delivers efficiency and low distortion, maintaining crystal-clear output even at high volume. Its frequency response of 20Hz to 36kHz captures every sonic detail, from vocals to basslines, while advanced 4-way protection circuitry ensures stable, safe operation.\u003c\/p\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eSpecifications:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eAmplifier Type: Class D\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eChannels: 3 Channels\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eRMS Power @ 4 Ohm: 80 W x 2 + 400 W x 1\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eRMS Power @ 2 Ohm: 120 W x 2 + 400 W x 1\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eFrequency Response: 20 Hz - 36 kHz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eInput Sensitivity: 200 mV -  V\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eT.H.D.: \u0026lt; 0.05%\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eS\/N Ratio: \u0026gt; 90 dB\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eHPF: 50 Hz - 50 Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eLPF: 50 Hz - 250 Hz\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eBass Boost: 0 - 15 dB\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003ePhase Shift: 0 - 180\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eInput Type: RCA\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eCooling: Aluminum Alloy Heatsink\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eProtection: 4-Way Circuit Protection\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eColor: Silver-Gray Finish\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e\u003cbr\u003e\n\u003cp\u003e\u003cstrong\u003eDimensions:\u003c\/strong\u003e\u003c\/p\u003e\u003cbr\u003e\n\u003cul\u003e\n\u003cbr\u003e\n  \u003cli\u003eLength: 16 in\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eWidth: 11 in\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eHeight: 5 in\u003c\/li\u003e\n\u003cbr\u003e\n  \u003cli\u003eWeight: 8 lbs\u003c\/li\u003e\n\u003cbr\u003e\n\u003c\/ul\u003e","brand":"Cadence","offers":[{"title":"Default Title","offer_id":47168908427512,"sku":"CAD-QR80.3","price":199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0029\/9384\/8365\/files\/Cadence_QR80.3_3-Channel_560W_RMS_Class_D_Car_Amplifier_Main_Image.jpg?v=1760640680","url":"https:\/\/bigjeffaudio.com\/products\/cadence-560-watt-2-ohm-3-channel-class-d-car-audio-amplifier-qr80-3","provider":"Big Jeff Online Inc","version":"1.0","type":"link"}