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HXM800.1D - HXM Mono Full Range Class D Sub Amplifier

MOTORSPORT series amplifiers not only deliver exceptional sound quality but are constructed to withstand the outdoor elements. Engineered with superior full-range Class D Digital Technology, MOTORSPORT series amplifiers generate BIG RMS Power in a very small footprint.

Look to MOTORSPORT amplifiers to bring the Diamond Audio listening experience to your boat, UTV, motorcycle or any mobile audio application that demands the quality, precision and performance built into our water-resistant MOTORSPORT amplifiers.

Conformal coated multi-layer circuit boards for marine applications - Balanced differential inputs for noise-free operation regardless of the source - Full-range digital Class D technology with DirectFET power MOSFET output stage - 12dB per octave adjustable crossovers and phase control for system tuning - Top mounted controls for convenient adjustment - Selectable 3 option Auto Turn-On Mode circuit designed to work with ANY OEM headunit, simplifies installation.


  • 350 W x 1 @ 4Ω
  • 550 W x 1 @ 2Ω
  • 800 W x 1 @ 1Ω
  • S/N: ≤ 98.9 dBA / THD: .05%
  • Dimensions: 8.56 x 5.28 x 1.75 inches / 217 x 134 x 45 mm
  • Remote Level Control Included

Diamond Audio - HXM Mono 800W RMS Full Range Class D Sub Amplifier

SKU: HXM800.1D
  • Amplifier 1 Channel
    RMS Power (1Ω) 800 W 1 RMS
    RMS Power(2Ω) 550 W 1 RMS
    RMS Power (4Ω) 350 W 1 RMS
    Topology Monoblock Class D
    Power Supply Full PWM
    Power Supply (Threshold) 10.0VDC – 17.0VDC
    Idle Current (0.7A)
    Distortion - THD (1KHz@4Ω) < 0.05%
    Distortion - S/N Ratio (A weight @ 1W) -77.2dBA
    Distortion - S/N Ratio (A weight @ FP) < 98.9dBA
    Input Sensitivity Low 0.2mV – 10.0V
    Input Sensitivity High YES- UP to 25 W RMS
    Input Impedance - Low Input Level 22 KΩ
    Input Impedance - High Input Level 22 KΩ
    Output Impedance 0.047Ω
    Damping Factor (50Hz@4Ω) >250
    Bandwidth (-3dB) 10Hz-350Hz
    Phase Adjustment
    Crossover (-12 dB/ Oct) Variable High-Pass N/A
    Crossover (-12 dB/ Oct) Variable Low-Pass 30Hz-300Hz
    Crossover (-12 dB/ Oct) Variable Sub-Sonic 10Hz-55Hz
    Remote Included
    Dimension - Length x Width x Height - Inches(mm) 8.56” x 5.27” x 1.75” (217.6 x 133.9 x 44.5 mm)
  • Authorized Internet Dealer for all Diamond Audio Products

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