{"product_id":"soundqubed-4400-watt-f4-4400-full-bridge-4-channel-amplifier","title":"SoundQubed 4400 Watt F4-4400 Full Bridge 4 Channel Amplifier","description":"\u003ch2\u003e\n\u003cstrong\u003eSoundQubed F4-4400\u003c\/strong\u003e — 4-Channel Amplifier | F-Series Full Bridge | 750W x 4 @ 4Ω\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eSoundQubed F4-4400\u003c\/strong\u003e is the powerhouse 4-channel amplifier of the 2024 F-Series lineup — a full-bridge, digital-class amp delivering \u003cstrong\u003e750W x 4 at 4Ω\u003c\/strong\u003e, \u003cstrong\u003e1,100W x 4 at 2Ω\u003c\/strong\u003e, and a massive \u003cstrong\u003e2,200W x 2 bridged at 4Ω\u003c\/strong\u003e in a compact \u003cstrong\u003e11.81\" x 8.46\" x 2.28\"\u003c\/strong\u003e chassis. Whether you’re building a full front stage with serious power, running a pair of component sets at competition levels, or bridging channels for high-output subwoofer duty, the F4-4400 has the flexibility and the muscle to do it all. This amplifier brings the power — in a platform that fits virtually anywhere.\u003c\/p\u003e\n\n\u003cp\u003eThe F4-4400 features a \u003cstrong\u003efull-bridge digital amplifier design\u003c\/strong\u003e with a signal-to-noise ratio of \u003cstrong\u003e95 dB\u003c\/strong\u003e, 85% efficiency at 4 ohm, and a damping factor of 92. It accepts low-level input from \u003cstrong\u003e400mV to 4V\u003c\/strong\u003e and features \u003cstrong\u003eselectable HPF\/FULL crossover\u003c\/strong\u003e with HPF range of \u003cstrong\u003e40 Hz–400 Hz\u003c\/strong\u003e and LPF range of \u003cstrong\u003e40 Hz–400 Hz\u003c\/strong\u003e for precise frequency control across all four channels. The \u003cstrong\u003ebass boost (0–12 dB @ 45 Hz)\u003c\/strong\u003e gives you serious low-end punch when bridging channels for subwoofer applications. Like all F-Series amplifiers, it features an enlarged heatsink for superior heat transfer and an optional temperature\/voltage readout on the bass knob.\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 F4-4400 is protected by a full suite of thermal, overload, DC output, short circuit, voltage input, and clipping protection circuits. With a \u003cstrong\u003e360A fuse rating\u003c\/strong\u003e and a cooling fan, it’s built to run hard and stay cool doing it.\u003c\/p\u003e\n\n\u003ch2\u003eWhy Choose the SoundQubed F4-4400?\u003c\/h2\u003e\n\u003cul\u003e\n  \u003cli\u003e\n\u003cstrong\u003e750W x 4 @ 4Ω \/ 1,100W x 4 @ 2Ω \/ 2,200W x 2 Bridged @ 4Ω\u003c\/strong\u003e — Massive power output across all configurations — one of the most powerful 4-channel amplifiers in its class.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Bridge Digital Design\u003c\/strong\u003e — More efficient and more powerful than half-bridge designs at the same physical size.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eEnlarged Heatsink + Cooling Fan\u003c\/strong\u003e — Superior heat transfer keeps the amp cool during sustained high-power use and extended demo sessions.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eOptional Temp \u0026amp; Voltage Readout\u003c\/strong\u003e — Bass knob with optional temperature and voltage display gives you real-time system monitoring.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eSelectable HPF\/FULL + Variable LPF (40–400 Hz)\u003c\/strong\u003e — Flexible crossover configuration for full-range, high-pass, or bandpass applications.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eBass Boost 0–12 dB @ 45 Hz\u003c\/strong\u003e — Dial in serious low-end punch when bridging channels for subwoofer duty.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003e95 dB Signal-to-Noise Ratio\u003c\/strong\u003e — Clean, accurate signal reproduction even at extreme output levels.\u003c\/li\u003e\n  \u003cli\u003e\n\u003cstrong\u003eFull Protection Suite\u003c\/strong\u003e — Thermal, overload, DC output, short circuit, voltage input, and clipping protection for worry-free high-power operation.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSystem Configuration Recommendations\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eFull Front Stage Build:\u003c\/strong\u003e Run all four channels at 2Ω for 1,100W per channel to a full set of high-power component speakers. Use the selectable HPF to protect your speakers from low-frequency content and let your DSP handle signal processing. 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 at 80–100 Hz) and bridge channels 3\/4 for a subwoofer (LPF filtered at 80 Hz) for 2,200W of subwoofer power. This gives you a complete, high-output system from a single amplifier.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eElectrical Requirements:\u003c\/strong\u003e The F4-4400 requires a \u003cstrong\u003e360A fuse\u003c\/strong\u003e and proper 4-gauge power and ground wiring at minimum. For sustained high-power use at full output, a high-output alternator and upgraded battery are strongly recommended. A dash-mounted voltmeter is advised for monitoring system voltage under load.\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;\"\u003eF4-4400\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;\"\u003e750W 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;\"\u003e1,100W 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;\"\u003e2,200W 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;\"\u003e95 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;\"\u003e85%\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;\"\u003e92\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;\"\u003e20K 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;\"\u003e0.50%\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;\"\u003e400mV – 4V\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSelectable X-Over (CH 1\/2)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHPF \/ FULL\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eX-Over Filter Range (CH 1\/2)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e40 Hz – 400 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eSelectable X-Over (CH 3\/4)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHPF \/ FULL \/ BPF\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eX-Over Filter Range (CH 3\/4)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eHPF: 40–400 Hz \/ LPF: 40–400 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eBass Boost Range\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e0 – 12 dB\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eBass Boost Frequency\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e45 Hz\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\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\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 style=\"background-color:#f2f2f2;\"\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\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 style=\"background-color:#f2f2f2;\"\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\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 style=\"background-color:#f2f2f2;\"\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\u003e\n\u003ctd style=\"padding:8px;\"\u003eFuse Size (Recommended)\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003e360A\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eRemote Level Control\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003ctd style=\"padding:8px;\"\u003eVoltmeter\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eNo\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr style=\"background-color:#f2f2f2;\"\u003e\n\u003ctd style=\"padding:8px;\"\u003eCooling Fan\u003c\/td\u003e\n\u003ctd style=\"padding:8px;\"\u003eYes\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;\"\u003eHigh Efficiency Digital Circuit Design\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;\"\u003eTiffany Style RCA\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;\"\u003e11.81\" \/ 300 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;\"\u003e8.46\" \/ 215 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;\"\u003e2.28\" \/ 58 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;\"\u003e10.62\" \/ 270 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: Can the F4-4400 power my whole car audio system?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes — use channels 1\/2 for front component speakers (HPF filtered) and bridge channels 3\/4 for a subwoofer (LPF filtered at 80 Hz) for 2,200W of subwoofer power. One amp, complete high-output system.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What’s the minimum impedance for bridged mode?\u003c\/strong\u003e\u003cbr\u003e\nA: The F4-4400 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 F4-4400 and F4-1600?\u003c\/strong\u003e\u003cbr\u003e\nA: The F4-4400 delivers significantly more power — 750W x4 vs. 250W x4 at 4Ω — making it the choice for high-output front stage builds, competition-level component setups, and systems that need serious bridged subwoofer power from a 4-channel amp.\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003eQ: What wiring do I need for the F4-4400?\u003c\/strong\u003e\u003cbr\u003e\nA: A \u003cstrong\u003e360A fuse\u003c\/strong\u003e is required. Proper 4-gauge power and ground wiring is the minimum. For sustained high-power use, a high-output alternator and upgraded battery are strongly recommended.\u003c\/p\u003e","brand":"SoundQubed","offers":[{"title":"Default Title","offer_id":49849768313060,"sku":null,"price":499.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0842\/2522\/9028\/files\/3__05635.webp?v=1789257326","url":"https:\/\/www.12voltoutlet.com\/products\/soundqubed-4400-watt-f4-4400-full-bridge-4-channel-amplifier","provider":"12 Volt Outlet","version":"1.0","type":"link"}