This RMA 4-channel marine amplifier uses a full range Class G/H topography that significantly improves efficiency while enhancing sound quality.

  • To protect your investment, all RMA amplifier PCB boards have been processed with a conformal coating for complete marine grading.
  • Don’t be fooled by its compact size, Class G/H amplifiers produce more power for their size than traditional designs and offer much lower distortion with higher damping factors than Class D amplifiers.


Gallery

roswell_marine_audio_500.4_th roswell_marine_audio_amp_board_210_th

Features

  • High efficiency class G/H topography
  • 2 ohm stable
  • Built in variable hi pass and low pass crossover
  • Conformal coated PCB for marine application
  • Compact size 2”H x 6”W x 12.5”L
  • Tuning screwdriver included
  • Reversed heat sinks to dissipate heat
  • Fully marinized with water repellant and anti corrosion spray on circuit board
  • Expandable for multiple units

Specifications

  • Power Output @ 14.4V
    • 75W RMS x 4 (@ 4 ohms)
    • 125W RMS x 4 (@ 2 ohms)
    • 250W RMS x 4 (@ 4 ohms bridged)
  • Crossover Range: 40Hz - 500Hz
  • Frequency Range @ 3dB: 1Hz - 69Hz

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