Christmas cut off: As the cut-off date has passed, Christmas delivery may not be guaranteed. Please select Express shipping for the best chance of delivery before Christmas.
Our team will be on holiday from Dec 22nd to Jan 15th. Please be assured that your order will be dispatched, and any inquiries will be promptly addressed upon our return. We appreciate your understanding and patience during this period.

Christmas cut off: As the cut-off date has passed, Christmas delivery may not be guaranteed. Please select Express shipping for the best chance of delivery before Christmas.

Our team will be on holiday from Dec 22nd to Jan 15th. Please be assured that your order will be dispatched, and any inquiries will be promptly addressed upon our return. We appreciate your understanding and patience during this period.

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Rockford Fosgate R400-4D Prime 400W RMS Class-D 4-Channel Amplifier

UPC: 780687333119 SKU: R400-4D
Rockford Fosgate R400-4D Prime 400W RMS Class-D 4-Channel AmplifierRockford Fosgate R400-4D Prime 400W RMS Class-D 4-Channel Amplifier
$399
$399$354
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  • Standard to Metro (4-10 biz days)
  • Express to Metro (1-4 biz days)
  • Standard to Non-metro (10-20 biz days)
  • Express to Non-metro (2-6 biz days)
  • Pickup (Same or next biz day)
  • Longer ETA applies to NT, WA, NZ & US locations.
  • The above time frames are estimates only. The actual delivery time is dependent on the shipping location, shipper's processing capacity and other unforeseeable factors i.e. natural disasters, accidents etc. We cannot be held responsible for any courier-related delivery delays.
  • Availability:Out of Stock
  • Model: R400-4D
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Pickup at our Deer Park VIC warehouse. Schedule Pickup »
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Prime 4/3/2 Channel Class-D Car Amplifier


  • RMS Power Rating:
    • 4 ohms: 75 watts x 4 ch
    • 2 ohms: 100 watts x 4 ch
    • Bridged, 4 ohms: 200 watts x 2 ch
  • CEA-2006 compliant
  • LED power (green) and protect (red) indicators
  • Heavy duty aluminum alloy heatsink
  • Nickel-plated RCA level inputs
  • Nickel-plated screw terminals
  • Remote bass level input (remote sold separately)
  • Selectable bass boost on front and rear channels (0, 6, 12 dB at 45 Hz)
  • Variable bass boost on sub channel (0-12 dB at 45 Hz)
  • Signal Input: Low Level: 3 Pair RCA
  • Frequency Response: 20Hz 20kHz
  • Dimensions: 6-11/16"L x 11"W x 2"H

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