{"product_id":"ds18-nxl-x1200-5d-hydro-5-channel-full-range-subwoofer-class-d-marine-powersports-amplifier-4-x-150w-rms-at-4-ohms-600w-rms-subwoofer-at-2-ohms-ip67","title":"DS18 NXL-X1200.5D HYDRO 5-Channel Full-Range \u0026 Subwoofer Class D Marine \u0026 Powersports Amplifier, 4 x 150W RMS at 4 ohms + 600W RMS subwoofer at 2 ohms, IP67","description":"\u003cp\u003eThe DS18 NXL-X1200.5D HYDRO amplifier is designed to drive full-range speakers and a dedicated subwoofer with efficient Class D amplification. Its IP67-rated enclosure and variable audio adjustments make it suitable for boat, UTV, and off-road installations while preserving the distinct power specifications at each load impedance.\u003c\/p\u003e\u003ch3\u003eKey Features\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eHigh-efficiency Class D output stage supports installation in constrained marine\/powersports compartments.\u003c\/li\u003e\n\u003cli\u003e4 x 150W RMS at 4 ohms + 600W RMS subwoofer at 2 ohms; individual load-specific ratings are listed below.\u003c\/li\u003e\n\u003cli\u003eAdjustable filtering supports speaker protection and system tuning.\u003c\/li\u003e\n\u003cli\u003eIP67 water-resistance classification; corrosion-conscious electrical installation remains essential.\u003c\/li\u003e\n\u003cli\u003eIntegrated power, protect and clipping status indication and protective circuitry.\u003c\/li\u003e\n\u003cli\u003eFour full-range channels and a separate subwoofer channel allow speakers and bass to be powered from one amplifier chassis.\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eAmplifier topology:\u003c\/strong\u003e Class D\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel arrangement:\u003c\/strong\u003e 5-Channel Full-Range \u0026amp; Subwoofer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIngress protection:\u003c\/strong\u003e IP67\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRMS output at 4 ohms:\u003c\/strong\u003e 4 x 150W + 1 x 350W subwoofer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRMS output at 2 ohms:\u003c\/strong\u003e 4 x 200W + 1 x 600W subwoofer\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBridged output at 4 ohms:\u003c\/strong\u003e 2 x 400W for full-range pairs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePeak power rating:\u003c\/strong\u003e 2800W\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull-range crossover:\u003c\/strong\u003e HPF\/FULL\/LPF, 40Hz–2kHz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer low-pass:\u003c\/strong\u003e 50–250Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer bass boost:\u003c\/strong\u003e 0–18dB at 42Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSubwoofer infrasonic filter:\u003c\/strong\u003e 10–55Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFrequency response (published):\u003c\/strong\u003e 10–250Hz\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSignal-to-noise ratio:\u003c\/strong\u003e \u0026gt;85dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTHD:\u003c\/strong\u003e \u0026lt;0.05%\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eChannel separation:\u003c\/strong\u003e 60dB\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInput range:\u003c\/strong\u003e 200mV–5V\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMinimum impedance:\u003c\/strong\u003e 2 ohms stereo \/ 4 ohms bridge \/ 2 ohms subwoofer\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eInstallation \u0026amp; System Integration\u003c\/h3\u003e\u003cp\u003eProvide a dedicated fused battery feed sized to the amplifier power demand, a short solid ground, sufficient mounting clearance and serviceable signal wiring. Connect each channel only to a supported speaker impedance. Bridged ratings require the specified 4-ohm load. Tune gain and active filters with the system playing cleanly rather than using gain as a volume control. Keep wiring, terminals and mounting points protected from saltwater and prolonged water immersion.\u003c\/p\u003e\u003ch3\u003eCompatibility\u003c\/h3\u003e\u003cp\u003eUse with 12V marine\/powersports audio systems and speakers wired to meet the manufacturer-listed minimum impedances. Monoblock models drive subwoofer loads; multi-channel full-range\/subwoofer models provide independent speaker and bass outputs.\u003c\/p\u003e","brand":"DS18","offers":[{"title":"Default Title","offer_id":67902255628376,"sku":"CED-DS18NXL-X1200.5D","price":724.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1091\/8160\/files\/4314537.jpg?v=1792701419","url":"https:\/\/shipsound.com\/products\/ds18-nxl-x1200-5d-hydro-5-channel-full-range-subwoofer-class-d-marine-powersports-amplifier-4-x-150w-rms-at-4-ohms-600w-rms-subwoofer-at-2-ohms-ip67","provider":"ShipSound.com","version":"1.0","type":"link"}