{"product_id":"mb-quart-na4-400-2-2-channel-400w-max-marine-powersports-class-d-amplifier","title":"MB Quart NA4-400.2 2-Channel 400W Max Marine Powersports Class-D Amplifier","description":"\u003cdiv\u003e\u003cb\u003eBRAND NEW\u003c\/b\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cb\u003eMB QUART NA4-400.2\u003c\/b\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cb\u003eNautic Series 2-Channel Waterproof Marine Powersports Class-D Amplifier\u003c\/b\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cb\u003eKey Features:\u003c\/b\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/div\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eCompatible Vehicle Fitment: \u003c\/b\u003eUniversal\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eMarine Grade Protection \/ IPX Rating:\u003c\/b\u003e Meets or exceeds IP67 standards for waterproof and dustproof. Potted Internals: The potting material seals the components, insulating them and ensuring better durability, especially in harsh environments where exposure to moisture or water might otherwise cause short circuits, corrosion, or other performance issues.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLow Noise Preamplifier Circuit: \u003c\/b\u003eThe highly engineered Q-Stasis pre-amplifier stage reduces incoming noise from source units dramatically improving sound quality.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eRCA Inputs: \u003c\/b\u003e1 pair high temperature impact resistant nickel-plated RCA inputs that allow for secure connections and are corrosion resistant.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOperation Mode\u003c\/b\u003e\u003cspan style=\"font-weight: 700;\"\u003e: \u003c\/span\u003eTwo-channel operation\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eCrossover Type\u003c\/b\u003e\u003cspan style=\"font-weight: 700;\"\u003e: \u003c\/span\u003eDial Switch OFF \/ LPF \/ HPF: Complete control of amplifier signal, essential when using two or more amplifiers.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eClass \/ Topology\u003c\/b\u003e\u003cspan style=\"font-weight: 700;\"\u003e: \u003c\/span\u003eFull Range Class D: Highly efficient circuit topology which helps the amplifer develop a lot of power in a very small heatsink.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutput Device Technology\u003c\/b\u003e\u003cspan style=\"font-weight: 700;\"\u003e: \u003c\/span\u003ePWM MOSFET Power Supply: Stable power through the PC board with minimal heat generation.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHeat Sink\u003c\/b\u003e\u003cspan style=\"font-weight: 700;\"\u003e: \u003c\/span\u003e\u003cb\u003eAluminum: \u003c\/b\u003eQuickly dissapates heat to allow the amplifer to run lower impedance for longer duration.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePower Supply\u003c\/b\u003e\u003cspan style=\"font-weight: 700;\"\u003e: \u003c\/span\u003e\u003cb\u003eSimpatico Coil Design: \u003c\/b\u003eThe dual coil Pulse Width Modulated power supply keeps voltage constant through the Ultra-Fi output devices.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eOutput Connections\u003c\/b\u003e\u003cspan style=\"font-weight: 700;\"\u003e: \u003c\/span\u003eQuick Connection Power Wires and RCA Connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eConnection Type\u003c\/b\u003e\u003cspan style=\"font-weight: 700;\"\u003e: \u003c\/span\u003e\u003cb\u003eNickel-plated connections: \u003c\/b\u003eNickel plated corrosion resistant connections.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eLED System Protection Circuitry Diagnostics\u003c\/b\u003e\u003cspan style=\"font-weight: 700;\"\u003e: \u003c\/span\u003eProtection circuits: Monitor thermal, overload, DC, and speaker short protection with lighted indicators on the amplifier end panel.\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv\u003e\u003cb\u003eSpecifications:\u003c\/b\u003e\u003c\/div\u003e\u003cdiv\u003e\u003cb\u003e\u003cbr\u003e\u003c\/b\u003e\u003c\/div\u003e\u003cul\u003e\n\u003cli\u003eType: Amplifier\u003c\/li\u003e\n\u003cli\u003eBrand: MB Quart\u003c\/li\u003e\n\u003cli\u003eSeries: Nautic\u003c\/li\u003e\n\u003cli\u003eCategory: Marine, Powersports\u003c\/li\u003e\n\u003cli\u003eColor: Black\u003c\/li\u003e\n\u003cli\u003eModel Replaced: NA2-400.2\u003c\/li\u003e\n\u003cli\u003eIPX Rating:  IP67\u003c\/li\u003e\n\u003cli\u003eCompatible Vehicles: Universal\u003c\/li\u003e\n\u003cli\u003eAmp Class: Full Range Class D\u003c\/li\u003e\n\u003cli\u003eAmp Total Channels: 2\u003c\/li\u003e\n\u003cli\u003eAmp Max Power (watts): 400\u003c\/li\u003e\n\u003cli\u003eAmp Power @ 2 Ohms (ch x watts): 2 x 200\u003c\/li\u003e\n\u003cli\u003eAmp Power @ 4 Ohms (ch x watts): 2 x 100\u003c\/li\u003e\n\u003cli\u003eAmp Crossover: Electronic\u003c\/li\u003e\n\u003cli\u003eAmp Variable High Pass Crossover 12dB per Octave: 15Hz-300Hz\u003c\/li\u003e\n\u003cli\u003eAmp Variable Low Pass Crossover 12dB per Octave: 50Hz-300Hz\u003c\/li\u003e\n\u003cli\u003eAmp Variable Voltage: 0.2-9V\u003c\/li\u003e\n\u003cli\u003eAmp Signal to Noise: \u0026gt; 105dB\u003c\/li\u003e\n\u003cli\u003eAmp Frequency Response: 6Hz-29kHz\u003c\/li\u003e\n\u003cli\u003eAmp Total Harmonic Distortion (THD): 1.0%\u003c\/li\u003e\n\u003cli\u003eAmp Speaker Level Audio Inputs: RCA\u003c\/li\u003e\n\u003cli\u003eAmp Power Terminal 12v\/GND: 12 AWG Quick Connector\u003c\/li\u003e\n\u003cli\u003eAmp Speaker Terminal Wire Gauge: Molex Plug Connector\u003c\/li\u003e\n\u003cli\u003eAmp Fusing: 30A x 1\u003c\/li\u003e\n\u003cli\u003eItem Weight (lbs): 2.2\u003c\/li\u003e\n\u003cli\u003eItem Length (in): 6.8\u003c\/li\u003e\n\u003cli\u003eItem Width (in): 3.94\u003c\/li\u003e\n\u003cli\u003eItem Height (in): 1.77\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"MB Quart","offers":[{"title":"Default Title","offer_id":48105355935982,"sku":"NA4-400.2","price":219.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2356\/1969\/files\/a11ae2f2-228d-4154-8103-0f89fc900219.png?v=1780536543","url":"https:\/\/www.bargainunlimited.net\/products\/mb-quart-na4-400-2-2-channel-400w-max-marine-powersports-class-d-amplifier","provider":"Cybervalue","version":"1.0","type":"link"}