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HX1200.1D - HEX Mono Class D Subwoofer Amplifier

Audiophile grade high tolerance components - 4-layer PCB board with balanced differential inputs - full-range digital class-d Ir chip sets - fine-tuned variable - crossover and phase control- top mounted controls for convenient amplifier adjustment turn to hex series amplifiers for superior sound quality and unparalleled power for the ultimate audiophile system set up. Composed of high-tolerance grade components and featuring tuning adjustments to fit your personal listening desires, hex series amplifiers is the choice for those that expect the best!



  • 540 W x 1 @ 4Ω
  • 870 W x 1 @ 2Ω
  • 1200 W x 1 @ 1Ω
  • S/N: ≤ 95 dBA / THD: .06%
  • Dimensions: (Remote Included): 14.25" x 7.67" x 2" (363 x 195 x 51.5 mm)
  • Anodized Extruded Aluminum Heat Sink Provides Superior Thermal Performance
  • 4-Layer PCB Board with Balanced Differential Inputs
  • Full Range Class D IR Chipset
  • "SNAP" Capacitors used Throughout the Circuit
  • Audiophile Grade High Tolerance Components
  • Spring Steel FET Clips Provide a Cleaner Board Design
  • Illuminated Logo / Fully Concealed Mounting
  • Output Clip Indicators for Precise Set-Up
  • Fine Tuned Fully Variable Crossovers and Phase Control
  • Top Mounted Controls for Convenient Amplifier Adjustment

Diamond Audio - HEX Mono 1200W RMS Class D Subwoofer Amplifier

SKU: HX1200.1D
  • RMS Power (1Ω) 1200 W RMS
    RMS Power(2Ω) 870 W RMS
    RMS Power (4Ω) 540 W RMS
    Topology Class D
    Power Supply Full PWM
    Power Supply (Threshold) 10.0VDC – 17.0VDC
    Idle Current (0.7A)
    Distortion - THD (1KHz@4Ω) 0.1%
    Distortion - S/N Ratio (A weight @ 1W) -80dBA
    Distortion - S/N Ratio (A weight @ FP) -95dBA
    Input Sensitivity Low 200mV – 5.0V
    Input Sensitivity High N/A
    Input Impedance - Low Input Level 20 KΩ
    Input Impedance - High Input Level N/A
    Output Impedance 0.0297Ω
    Damping Factor (50Hz@4Ω) >250
    Bandwidth (-3dB) 10Hz-300Hz
    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@12dB
    FUSE Ratings - ATC 30A X 4
    Dimension - Length x Width x Height - Inches(mm) 14.25″ x 7.67″ x 2″ (363 x 195 x 51.5 mm)
  • Authorized Internet Dealer for all Diamond Audio Products

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