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The HRPM Waterproof Amplifier Series can handle the great outdoors while you ride with style. The die-cast aluminum chassis is designed and sealed to keep water, dirt and debris away from the internal components. The amplifier is small enough to fit ATV’s, Golf Carts, Motorcycles, Automobiles and is ideal for boat use. If you want to enjoy your music while cruising, this compact amplifier will bring out the best in your audio system. Don't let the compact design fool you.
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HRPM300.2D - 300W 2-Channel Marine Grade Class D Amplifier


  • 2 Channel Full Range Digital IP67 Rating Waterproof Amplifier
  • 150W x 2CH @ 2Ω / 100W x 2CH @ 4Ω / 300W x 1CH @ 4Ω Bridged RMS Power Output
  • Input Sensitivity: 0.2-10 Volt
  • Crossover Filter : 40-500Hz, 12dB Per Octave Slope
  • Frequency Response: 10-33KHz
  • Selectable X-Over: LPF / FULL / HPF
  • Dimensions: 7.92” x 3.24” x 1.41” / 201.2 x 82.4 x 35.8 mm
More Information
Amplifier2 Channel
DescriptionRPM HED 300W Marine Grade Class D 2 Channel Amplifier
MAX Power Rating300W
RMS Power(2Ω)150Wx2
RMS Power (4Ω)100Wx2
RMS Bridge (mono 4Ω)300Wx1
TypesFull Range
Frequency Response20Hz-20KHz
Gain Ranges0.2-10V
Distortion - THD (1KHz@4Ω)<0.3%
Distortion - S/N Ratio (A weight @ 1W)>85dB
Input Sensitivity 0.2-10 Volt
Crossover Frequencies40-500Hz
Dimension - Length x Width x Height - Inches(mm)7.9” x 3.2" x 1.4" (201.2 x 82.4 x 35.8 mm)
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