{"product_id":"dc-audio-175-4-4-channel-amplifier","title":"DC Audio 175.4 - 700w 4-Channel Amplifier - DCA-175.4","description":"\u003ch2\u003eDC Audio 175.4 - 700w 4-Channel Amplifier - DCA-175.4\u003c\/h2\u003e\n\u003cp\u003eThe DC Audio 175.4 (DCA-175.4) is a high-efficiency Class A\/B 4-channel amplifier designed for clean, controlled power delivery to mids and highs in car audio systems. It is rated at approximately 700W total output (175W x 4 @ 4Ω), making it ideal for powering door speakers, component sets, and full-range audio setups while maintaining clarity and low distortion.\u003c\/p\u003e\n\u003ch5\u003eFeatures\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eVariable high pass filter\u003c\/li\u003e\n\u003cli\u003eVariable Band pass filter\u003c\/li\u003e\n\u003cli\u003e4awg inputs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eSpecifications\u003c\/h5\u003e\n\u003cstyle type=\"text\/css\"\u003e\n.tg  {border-collapse:collapse;border-spacing:0;}\n.tg td{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg th{border-color:black;border-style:solid;border-width:1px;font-family:Arial, sans-serif;font-size:14px;\n  font-weight:normal;overflow:hidden;padding:10px 5px;word-break:normal;}\n.tg .tg-22y8{background-color:#ffffff;color:#000000;text-align:left;vertical-align:middle}\n.tg .tg-ij4v{background-color:#ffffff;color:#000000;font-weight:bold;text-align:left;vertical-align:top}\n\u003c\/style\u003e\n\u003ctable class=\"tg\"\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth class=\"tg-22y8\"\u003e\u003c\/th\u003e\n\u003cth class=\"tg-ij4v\"\u003eFeatures\u003c\/th\u003e\n\u003cth class=\"tg-ij4v\"\u003eVoltage\u003c\/th\u003e\n\u003cth class=\"tg-ij4v\"\u003e175.4\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\" rowspan=\"5\"\u003eOutput Power (RMS)\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e4 ohm\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\" rowspan=\"3\"\u003e14.4V\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e175Wx4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\"\u003e2 ohm\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e250Wx4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\"\u003e1 ohm\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003en\/a\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\"\u003e1 ohm\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e16V\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003en\/a\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\"\u003e1 ohm\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e18V\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003en\/a\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\"\u003eInput Sensitivity\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e6V~0.2V\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\"\u003eLow high Filter\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003eSwitchable\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\"\u003e( @ 24 dB Slope)\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003eVariable\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003eHz\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e10~300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\"\u003eBandpass Filter\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003eSwitchable\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\"\u003e( @ 24 dB Slope)\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003eVariable\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003eHz\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e30~300\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\"\u003eFrequency Response\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003eHz\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e20-20Khs\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\"\u003eSignal to Noise Ratio\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003edB\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e105\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\"\u003eDamping factor\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e200\u0026lt;\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\"\u003eTHD @ 4ohms\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003eLess than 0.1%\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\"\u003eFuse Rating\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e140 Amps\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\" rowspan=\"3\"\u003eIndicator\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003ePower\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\"\u003eProtection\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\"\u003eClip\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\" rowspan=\"2\"\u003eSpeaker \u0026amp; Power terminal\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003eMold Type\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\"\u003ePower\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003eGauge\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e4Ga\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\"\u003eHeatsink Length\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003einch\/mm\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e20.59\"\/650mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\"\u003eHeatsink Width\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003einch\/mm\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e9.38\"\/66m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd class=\"tg-22y8\"\u003eHeatsink Height\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003einch\/mm\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\u003c\/td\u003e\n\u003ctd class=\"tg-22y8\"\u003e\n\u003cbr\u003e2.35\"\/59.6mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cp\u003e\u003ciframe src=\"https:\/\/www.youtube.com\/embed\/wOw-6J5uLDg\" height=\"315\" width=\"560\" style=\"font-size: 0.875rem;\"\u003e\u003c\/iframe\u003e\u003c\/p\u003e\n\u003cdiv class=\"qMYqUG_convSearchResultHighlightRoot\"\u003e\n\u003cdiv class=\"\"\u003e\n\u003csection class=\"text-token-text-primary w-full focus:outline-none has-data-writing-block:pointer-events-none [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto R6Vx5W_threadScrollVars scroll-mb-[calc(var(--scroll-root-safe-area-inset-bottom,0px)+var(--thread-response-height))] scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:var(--thread-content-margin-xs,calc(var(--spacing)*4))] @w-sm\/main:[--thread-content-margin:var(--thread-content-margin-sm,calc(var(--spacing)*6))] @w-lg\/main:[--thread-content-margin:var(--thread-content-margin-lg,calc(var(--spacing)*16))] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col gap-4 grow\"\u003e\n\u003cdiv dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal outline-none keyboard-focused:focus-ring [.text-message+\u0026amp;]:mt-1\" tabindex=\"0\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003ch5\u003eWhat Our Experts Think\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003eThe DC Audio 175.4 (DCA-175.4) is a high-power 4-channel Class A\/B amplifier designed for mids, highs, and full-range sound systems\u003c\/li\u003e\n\u003cli\u003eDelivers 175W RMS x 4 channels @ 4Ω (14.4V system voltage) for clean, loud output on door speakers and tweeters ([turn0search0])\u003c\/li\u003e\n\u003cli\u003eCan output 250W RMS x 4 channels @ 2Ω, giving extra headroom for louder speaker setups ([turn0search1])\u003c\/li\u003e\n\u003cli\u003eProvides a total of about 700–1000W combined system power, making it strong enough for full active speaker systems or loud stage-style builds ([turn0search0])\u003c\/li\u003e\n\u003cli\u003eDesigned specifically for midrange and high-frequency speakers (NOT subwoofers) for balanced, clear sound\u003c\/li\u003e\n\u003cli\u003eFeatures full tuning controls including high-pass, low-pass, and bandpass filtering, plus selectable crossover modes\u003c\/li\u003e\n\u003cli\u003eAccepts 4 AWG power and ground inputs for stable current delivery and reliable performance\u003c\/li\u003e\n\u003cli\u003eNot 1-ohm stable — built strictly for 2–4 ohm full-range speaker applications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003eQ\u0026amp;A\u003c\/h5\u003e\n\u003cp\u003eQ: How much power does the DC Audio 175.4 produce?\u003cbr\u003eA: It produces 175W x 4 @ 4 ohms and 250W x 4 @ 2 ohms, for about 700–1000W total output. ([turn0search0])\u003c\/p\u003e\n\u003cp\u003eQ: Is it a subwoofer amplifier?\u003cbr\u003eA: No, it is designed for mids and highs (full-range speakers), not subwoofers.\u003c\/p\u003e\n\u003cp\u003eQ: Can it run 1-ohm loads?\u003cbr\u003eA: No, it is not 1-ohm stable.\u003c\/p\u003e\n\u003cp\u003eQ: What speakers work best with it?\u003cbr\u003eA: Door speakers, component speakers, and mid\/high-frequency drivers.\u003c\/p\u003e\n\u003cp\u003eQ: Is it good for daily use?\u003cbr\u003eA: Yes, it is excellent for daily systems that need loud, clean speaker output.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003ch5 class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003eMaintenance Tips\u003c\/h5\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert wrap-break-word w-full light markdown-new-styling\"\u003e\n\u003cul\u003e\n\u003cli\u003eSet high-pass filter correctly to protect speakers from low bass damage\u003c\/li\u003e\n\u003cli\u003eAvoid clipping by proper gain tuning\u003c\/li\u003e\n\u003cli\u003eEnsure strong 4 AWG power and ground wiring\u003c\/li\u003e\n\u003cli\u003eMaintain good airflow to prevent overheating\u003c\/li\u003e\n\u003cli\u003eMatch speaker RMS ratings properly to avoid damage\u003c\/li\u003e\n\u003cli\u003eCheck connections regularly for tight, corrosion-free contact\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/section\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e","brand":"Dc Sound lab","offers":[{"title":"Default Title","offer_id":45761339621567,"sku":"DCA-175.4","price":494.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0683\/5703\/0079\/files\/175k-Main.jpg?v=1782124307","url":"https:\/\/www.mybackyardzone.com\/products\/dc-audio-175-4-4-channel-amplifier","provider":"Your Outdoor Setup Starts Here","version":"1.0","type":"link"}