{"product_id":"jl-audio-mv400-4i-400w-rms-4-channel-full-range-marine-amplifier-with-integrated-dsp-010-03337-00","title":"JL Audio MV400\/4i 400W RMS 4-Channel Full-Range Marine Amplifier with Integrated DSP (010-03337-00)","description":"\u003cp\u003eThe MV400\/4i combines high-efficiency NexD2 Class D amplification with integrated 24-bit DSP for flexible tuning of a high-performance marine audio system.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eJL Audio TüN computer software for DSP tuning via USB\u003c\/li\u003e\n\u003cli\u003eConfigurable input routing, time alignment, polarity and equalization\u003c\/li\u003e\n\u003cli\u003eAdjustable crossover frequency and slopes\u003c\/li\u003e\n\u003cli\u003eMarine-grade chassis, corrosion-resistant hardware and connections\u003c\/li\u003e\n\u003cli\u003eAutomatic thermal power management\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eAmplifier architecture: NexD2 Class D\u003c\/li\u003e\n\u003cli\u003eTotal rated continuous output: 400W RMS\u003c\/li\u003e\n\u003cli\u003eOutput at 4 ohms: 75W RMS x 4\u003c\/li\u003e\n\u003cli\u003eOutput at 2 ohms: 100W RMS x 4\u003c\/li\u003e\n\u003cli\u003eOutput at bridged at 4 ohms: 200W RMS x 2\u003c\/li\u003e\n\u003cli\u003eDigital processing: 24-bit\/96kHz\u003c\/li\u003e\n\u003cli\u003eEQ: 10-band per output\u003c\/li\u003e\n\u003cli\u003eCrossover functions: High-pass, low-pass, band-pass with selectable 6–48dB\/octave slopes\u003c\/li\u003e\n\u003cli\u003eTime alignment: 0.02ms increments\u003c\/li\u003e\n\u003cli\u003eInput sensitivity: 250mV–16V RMS\u003c\/li\u003e\n\u003cli\u003eAnalog inputs: 4 configurable channels\u003c\/li\u003e\n\u003cli\u003eProcessed preamp outputs: 4 channels\u003c\/li\u003e\n\u003cli\u003eComputer setup: USB and JL Audio TüN software\u003c\/li\u003e\n\u003cli\u003eIngress resistance: IPX2 when installed vertically with connections downward\u003c\/li\u003e\n\u003cli\u003eRecommended external fuse: 40A; purchased separately\u003c\/li\u003e\n\u003cli\u003eApproximate dimensions: 11.25\" W x 2.125\" H x 8.375\" D\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eFor 12V marine electrical systems. Configure speakers, impedances, crossovers and power wiring to the amplifier installation manual.\u003c\/p\u003e\u003ch3\u003eDSP Tuning, Amplifier Connections and Installation\u003c\/h3\u003e\u003cp\u003eJL Audio TüN software provides an integrated workflow for selecting input signals, routing them to amplifier channels and configuring individual output processing. The DSP allows the installer to tune the speaker system instead of relying solely on a source unit’s tone controls.\u003c\/p\u003e\u003cp\u003eDigital time alignment can help coordinate arrival times from speakers at different distances. Crossover filters allocate appropriate frequency ranges to the installed speakers and subwoofers, and output equalization can refine the system response.\u003c\/p\u003e\u003cp\u003eSet gain structure and high-level or low-level input matching for the actual source. Configure speaker impedance and channel bridging only in supported combinations, while ensuring that system power and grounds meet installation requirements.\u003c\/p\u003e\u003cp\u003eThe amplifier’s marine-oriented construction helps resist the installation environment, but all connectors, power wiring and the amplifier location still require suitable protection from direct water exposure and corrosion. Provide ventilation for heat dissipation.\u003c\/p\u003e\u003cp\u003eWhere DSP configuration is changed, retest the full signal path at conservative listening levels before regular operation. External fuse selection and cable gauge should follow the installation manual and electrical-system design.\u003c\/p\u003e","brand":"JL Audio","offers":[{"title":"Default Title","offer_id":67896019189848,"sku":"CWR-106216","price":1099.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1091\/8160\/files\/4308215.jpg?v=1792673444","url":"https:\/\/shipsound.com\/products\/jl-audio-mv400-4i-400w-rms-4-channel-full-range-marine-amplifier-with-integrated-dsp-010-03337-00","provider":"ShipSound.com","version":"1.0","type":"link"}