Rockford Fosgate R400-4D Amplifier Review | Best Marine Products
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Rockford Fosgate R400-4D Full Range Class-D 4 Channel Amplifier Review

Rockford Fosgate R400-4D Prime 400 Watt Full Range Class-D 4-Channel Amplifier

The R400-4D Marine Amplifier by Rockford Fosgate is a Class-D Marine Amplifier. It is highly efficient featuring an Onboard Punch EQ, Marine-Grade PC board, Tri-State Protection Circuits, and variable crossover. It is efficient every way you look at it thanks to the Class-D circuit topology and PEQ with 18dB of boost.

From a company that leads in innovation, this marine amplifier is about to your water activities.

Rockford Fosgate R400-4D Prime 400 Watt Full Range Class-D 4-Channel Amplifier

Unique Features

  • Cast aluminum heatsink
  • It has short circuit, overcurrent, and thermal protection
  • 100W continuous power on four channels
  • 400W total power output
  • Comes with four ground/power connectors
  • PCB is 2-part epoxy coated to protect it from open climate and the harsh marine environment
  • It has 12db/octave Butterworth crossover

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