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Hertz Audio  |  SKU: 78270020

HMP 4D Amplifier

$39999

Thanks to the ultra-compact cast-aluminium chassis (IP64 rated), the HMP 4D amplifier is nature-proof, being the ideal choice for UTV/ATV/motorcycle installations. It features an incredible power/size ratio and an easy setup thanks to the integrated crossover filter. The Front End section features a complete and bypassable crossover system, providing full system design flexibility with or without external processors, offering the user endless connection possibilities with any source. Inputs feature a special balanced circuitry, ensuring high rejection against electro-magnetic interferences, for noise-free results.


5.0 lb

Release Date:

  • Model
    HMP 4D
  • Power Output
    Amplifier Class: D
    Continuous RMS Power:
    4Ω @ 14.4v = 50 W x4
    4Ω @ 12.5v = Not Rated
    2Ω @ 14.4v = 65 W x4
    2Ω @ 12.5v = Not Rated
    4Ω Bridged @ 14.4v = 130 W x2
    4Ω Bridged @ 12.5v = Not Rated
  • Processing
    Frequency Range: 10 Hz - 30 kHz
    THD+N: 0.2% @ 4 Ω per Ch.
    S/N Ratio (Highest Rated Power): 95 dB
    S/N Ratio (1w): Not Rated
    Damping Factor:
    4Ω: >45 / 100 Hz
    2Ω: Not rated
  • Filters
    Filter Mode: HPF/LPF/Full
    Filter Frequency: 65 Hz - 115 Hz
    Filter Slope: 12 dB/Octave
    Infrasonic Filter: None
  • Physical
    Dimensions:
    W: 8.78" (223 mm)
    H: 3.96" (100.5 mm)
    D: 1.72" (43.6 mm)
    Weight: 2.97lb (1.35 kg)
  • Power Input
    Power Input: 11-15v DC
    Power Draw:
    - Standby: .04 mA
    - On: 1.2 A
    Fuse: 15 A
  • Water Rating
    IP64