{"product_id":"soundqubed-q4-2000-16v-q-series-4-channel-amplifier","title":"SoundQubed Q4-2000 16v Q Series 4 Channel Amplifier","description":"\u003ch2\u003e\n\u003cstrong\u003eSoundQubed Q4-2000\u003c\/strong\u003e — 4-Channel Amplifier | Q-Series Flagship | 325W x 4 @ 4Ω\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eSoundQubed Q4-2000\u003c\/strong\u003e is a flagship Q-Series 4-channel amplifier — a high-speed digital amplifier with Class A\/B-like processing in a Class D footprint. Delivering \u003cstrong\u003e325W x 4 at 4Ω\u003c\/strong\u003e, \u003cstrong\u003e500W x 4 at 2Ω\u003c\/strong\u003e, and \u003cstrong\u003e780W x 2 bridged at 4Ω\u003c\/strong\u003e, the Q4-2000 is built for enthusiasts who demand precision crossover control, flagship-grade build quality, and serious power for their front stage or full system build. Korean-built, with a standard plexi backing and oversized heatsink, it shares the same cutting-edge platform as its big brother the Q4-3200.\u003c\/p\u003e\n\n\u003cp\u003eThe Q4-2000 features \u003cstrong\u003efully bandpassable crossovers\u003c\/strong\u003e with a selectable band-pass (X1–X10) crossover multiplier — eliminating the need for a separate DSP in most builds. The HPF range covers \u003cstrong\u003e20 Hz–8 kHz\u003c\/strong\u003e and the LPF covers \u003cstrong\u003e50 Hz–8 kHz\u003c\/strong\u003e, giving you precise control over both the top and bottom sides of the slope across all four channels. \u003cstrong\u003eInput mode is selectable between 2-channel and 4-channel\u003c\/strong\u003e, adapting to your specific signal routing needs. With a signal-to-noise ratio of \u003cstrong\u003e90 dB\u003c\/strong\u003e, 89% efficiency at 4 ohm, a damping factor of \u003cstrong\u003e100\u003c\/strong\u003e, and \u003cstrong\u003eTiffany-style RCA inputs\u003c\/strong\u003e, the Q4-2000 delivers exceptional audio quality with flagship-grade refinement.\u003c\/p\u003e\n\n\u003cp\u003eStable at \u003cstrong\u003e2Ω in stereo\u003c\/strong\u003e and \u003cstrong\u003e4Ω in bridged mode\u003c\/strong\u003e, the Q4-2000 is protected by a full suite of thermal, overload, DC output, short circuit, voltage input, and clipping protection circuits. With a \u003cstrong\u003e4GA power input\u003c\/strong\u003e and \u003cstrong\u003e120A fuse rating\u003c\/strong\u003e, it’s compatible with most upgraded electrical systems right out of the box. Surface mount component technology and a heavy-duty PCB ensure reliable, durable performance in the most demanding conditions.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose the SoundQubed Q4-2000?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e325W x 4 @ 4Ω \/ 500W x 4 @ 2Ω \/ 780W x 2 Bridged @ 4Ω\u003c\/strong\u003e — Flagship-level power and flexibility for serious front stage and full system builds.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eHigh-Speed Digital with Class A\/B-Like Processing\u003c\/strong\u003e — The best of both worlds — Class D efficiency with Class A\/B sonic character.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFully Bandpassable Crossovers with X-Over Multiplier (X1–X10)\u003c\/strong\u003e — Eliminates the need for a separate DSP — precise HPF and LPF slope control across all channels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelectable 2Ch\/4Ch Input Mode\u003c\/strong\u003e — Adapts to your signal routing — run from a 2-channel or 4-channel source without additional hardware.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eDamping Factor of 100\u003c\/strong\u003e — Solid cone control for tight, accurate bass and detailed midrange reproduction.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e90 dB Signal-to-Noise Ratio\u003c\/strong\u003e — Clean, accurate signal reproduction across all four channels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e4GA Power Input + 120A Fuse\u003c\/strong\u003e — Compatible with most upgraded electrical systems — no extreme wiring required.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eKorean-Built Flagship Quality\u003c\/strong\u003e — Surface mount component technology, heavy-duty PCB, Tiffany-style RCA, and Audio Precision quality control verification.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSystem Configuration Recommendations\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eHigh-Output Front Stage:\u003c\/strong\u003e Run all four channels at 2Ω for 500W per channel to a full set of high-power component speakers. Use the selectable bandpass crossover with the frequency multiplier to dial in your exact crossover points without a DSP. At this power level, high-quality component speakers with appropriate RMS ratings are essential.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eFront Stage + Subwoofer:\u003c\/strong\u003e Use channels 1\/2 for front component speakers (HPF filtered) and bridge channels 3\/4 for a subwoofer (LPF filtered) for 780W of subwoofer power. The bandpassable crossover and multiplier give you DSP-level control from a single amplifier. Pair with a dedicated SoundQubed S1-1250 or Q1-4500v2 monoblock for a complete high-output system.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eElectrical Requirements:\u003c\/strong\u003e The Q4-2000 requires a \u003cstrong\u003e120A fuse\u003c\/strong\u003e and proper 4-gauge power and ground wiring. A high-output alternator and upgraded battery are recommended for sustained high-power use at full output.\u003c\/p\u003e\n\n\u003ch2\u003eFull Specifications\u003c\/h2\u003e\n\u003cdiv style=\"overflow-x:auto;\"\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;font-size:14px;\"\u003e\n  \u003cthead\u003e\n    \u003ctr\u003e\n      \u003cth style=\"background-color:#222;color:#fff;padding:8px;text-align:left;\"\u003eSpecification\u003c\/th\u003e\n      \u003cth style=\"background-color:#222;color:#fff;padding:8px;text-align:left;\"\u003eQ4-2000\u003c\/th\u003e\n    \u003c\/tr\u003e\n  \u003c\/thead\u003e\n  \u003ctbody\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eRMS Power @ 4 Ohm — 4-Channel\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e325W x 4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eRMS Power @ 2 Ohm — 4-Channel\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e500W x 4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eRMS Power @ 4 Ohm — Bridged (2-Channel)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e780W x 2\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eFrequency Response\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e10 Hz – 20 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSignal to Noise Ratio\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e90 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eEfficiency @ 4 Ohm\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e89%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eDamping Factor\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e100\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eInput Impedance\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e22K Ohms\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eTHD\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e1%\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eLow Level Input Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0.2V – 8V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSelectable X-Over\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eBand-Pass (X1–X10)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eHPF Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e20 Hz – 8 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eLPF Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e50 Hz – 8 kHz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eAmplifier Class\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eDigital\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eAmplifier Type\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eStereo Full-Range\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eNumber of Channels\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eMinimum Impedance (Stereo)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eMinimum Impedance (Bridged)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4 Ohm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eLED Indicator\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003ePower \/ Protect \/ Clip\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003ePower Input Terminal Size\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e4GA\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eFuse Size (Recommended)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e120A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eInput Mode Selectable\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eYes (2Ch \/ 4Ch)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eX-Over Frequency Multiplier\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eYes (X1–X10)\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eThermal Protection\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eOver-Load Protection\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eDC Output Protection\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eShort Circuit Output Protection\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eVoltage Input Protection\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eClipping Protection\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eTiffany Style RCA\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eHigh Efficiency Digital Circuit Design\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eHeavy Duty Printed Circuit Board\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSurface Mount Component Technology\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eQuality Control (Audio Precision)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eYes\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eOverall Length\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e13.2\" \/ 337 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eOverall Width\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e9.4\" \/ 241 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eOverall Height\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e2.8\" \/ 73 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eHeatsink Length\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e11.8\" \/ 300 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: Do I need a DSP with the Q4-2000?\u003c\/strong\u003e\u003cbr\u003e\nA: Not necessarily — the Q4-2000’s fully bandpassable crossovers with X-Over frequency multiplier (X1–X10) give you DSP-level crossover control built into the amplifier. For most builds, this eliminates the need for a separate DSP unit.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What’s the minimum impedance for bridged mode?\u003c\/strong\u003e\u003cbr\u003e\nA: The Q4-2000 is stable at \u003cstrong\u003e4Ω in bridged mode\u003c\/strong\u003e and \u003cstrong\u003e2Ω in stereo mode\u003c\/strong\u003e. Do not bridge into a load below 4Ω — this will damage the amplifier.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What’s the difference between the Q4-2000 and Q4-3200?\u003c\/strong\u003e\u003cbr\u003e\nA: Both are Korean-built flagship Q-Series 4-channel amplifiers sharing the same platform. The Q4-3200 delivers more power (520W vs. 325W x4 @ 4Ω), requires 0GA wiring and a 300A fuse, and is built for higher-output competition front stage builds. The Q4-2000 is the ideal choice for serious daily driver and sound quality builds where 4GA wiring and a 120A fuse are sufficient.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What wiring do I need for the Q4-2000?\u003c\/strong\u003e\u003cbr\u003e\nA: \u003cstrong\u003e4GA power and ground wiring\u003c\/strong\u003e is required, along with a \u003cstrong\u003e120A fuse\u003c\/strong\u003e. A high-output alternator and upgraded battery are recommended for sustained high-power use at full output.\u003c\/p\u003e","brand":"SoundQubed","offers":[{"title":"Default Title","offer_id":49849771196644,"sku":null,"price":699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/2522\/9028\/files\/5__11038.png?v=1789257333","url":"https:\/\/www.12voltoutlet.com\/products\/soundqubed-q4-2000-16v-q-series-4-channel-amplifier","provider":"12 Volt Outlet","version":"1.0","type":"link"}