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Item#: 9SIA02D0AF1330

ROCKFORD FOSGATE P400-4 400W Car 4-Channel Amplifier - Refurbished


This means the product was tested and repaired as required to meet the standards of the refurbisher, which may or may not be the original manufacturer. Any exceptions to the condition of the item outside the manufacturer’s information should be provided in the listing, up to and including warranty details.

Sold and Shipped by VMInnovations a-seller

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Marketplace Seller
  • Rockford Fosgate
  • Bridgeable
  • Built-in Crossover
  • Class AB

  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

This Rockford Fosgate P400-4 is a factory refurbished amplifier that is guaranteed to meet or exceed the performance of a brand new unit. It is perfect for 4-way front-stage/rear-fill or 3-way front-stage/subwoofer systems. A 90-day warranty is provided with this item and all original accessories that come with a new unit are included. Simply drop a pair of component speakers on the front channels and subs on the rear and BOOM - you got "The PUNCH." With its flexible design, the P400-4 is an excellent amplifier choice for virtually any vehicle. With proven PUNCH technology, the Rockford Fosgate P400-4 will deliver real Rockford Fosgate power.

Manufacturer Refurbished ROCKFORD FOSGATE P400-4 Punch 400 WATT 4-Channel Class AB Car Amplifier

- RMS Power Rating:
- 50 Watt x 4 Channel @ 4 Ohm
- 110 Watt x 4 Channel @ 2 Ohm
- 200 Watt x 2 Channel @ 4 Ohm Bridged
- MOSFET power supply
- 4/2 channel operation
- LED power, thermal, and protect indicators
- Tuned Bass EQ (0-18 dB bass boost at 45 Hz or 0-12 dB bass boost at 12 kHz depending on crossover selection)
- Integrated Trans•ana technology
- RCA Pass-thru outputs
- TO-247 MOSFETs
- NOMAD "real time" analog computer for circuit protection.
- Cast aluminum heatsink
- Nickel-plated RCA level inputs
- Nickel-plated screw terminals
- High-pass filter (50-500 Hz, 12 dB/octave)
- Low-pass filter (50-500 Hz, 12 dB/octave)
- Frequency response: 20-20000 Hz
- CEA-2006 compliant amplifier
- Dimensions: 13.02" (L) x 7.625" (W) x 2.25" (H)
- Weight: 11.5 lbs


Rockford Fosgate
Amplifier Class
Class AB
Amplifier Channels
4 Channels


Max Power
RMS Power
50 Watt x 4 Channel @ 4 Ohm and 110 Watt x 4 Channel @ 2 Ohm
Bridged Power
200 Watt x 2 Channel @ 4 Ohm Bridged


Frequency Response
20-20000 Hz
Built-in Crossover
Warranty, Returns, And Additional Information
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