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Rockford Fosgate P4004

1600W Max, Punch Series 4-Channel Amplifier

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The product on this page is discontinued, but there is a newer model available:
Newer Model: Rockford Fosgate Punch P400-4
p400-4 thumbnail
$229.95In Stock
  • 50 watts RMS x 4 at 4 ohms
  • 100 watts RMS x 4 at 2 ohms
  • 200 watts RMS x 2 at 4 ohms
  • 2-, 3-, or 4-channel output
  • 4-ohm stable in bridged mode
  • Tri-way capable
  • requires an 8-gauge wiring kit and 60-amp fuse — wiring and hardware not included with amplifier
  • MOSFET power supplies and output stages
  • MEHSA transfers heat efficiently from the MOSFET devices to the heat sink for high performance
  • TOPAZ eliminates ground loop noise
  • trans-ANA circuitry keeps preamp signal clean
  • NOMAD "intelligent" protection circuitry
  • preamp outputs
  • variable high-pass/low-pass crossover (40-400 Hz, 12 dB/octave)
  • variable Punch Bass boost (0-18 dB at 45 Hz) with remote
  • 11"W x 2-7/16"H x 16-3/8"D
Product History:
Rockford Fosgate Punch P400-4 thumbnail
(newest, current model)
Rockford Fosgate P4004 thumbnail
(previous model, replaced by Rockford Fosgate Punch P400-4)
Power Specifications - Full Range Channels
RMS Power @ 4 ohms50 watts x 4 channels
RMS Power @ 2 ohms100 watts x 4 channels
RMS Power @ 1 ohmNot Stable
Bridged RMS Power200 watts x 2 channels
Peak Power Output300 watts x 4 channels
Amplifier Specifications
Number of Channels4
Total Peak Power Output1200 watts
Total RMS Power Output400 watts
Minimum Impedance Unbridged2 ohms
Minimum Impedance Bridged4 ohms
THD at Rated RMS Power0.05%
Speaker Level InputsNo
Preamp Outputs1 pair
Built-in CrossoverLow-pass (LP)
High-pass (HP)
High-Pass Crossover Frequency40 - 400 Hz
Low-Pass Crossover Frequency40 - 400 Hz
Subsonic FilterN/A
Signal-to-Noise Ratio80 dB
Channel SeparationN/A
Bass Boost0 - 18 dB
Bass/Gain RemoteN/A
Fan CooledNo
Fuse Rating30A x 2 
Warranty and Return Policy
Return Policy Standard Return Policy
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Amplifier Wiring Kits
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Speaker Wire
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RCA Interconnects
You will need a good set of RCA interconnect cables to connect your amplifier to your head unit. Using high quality cables ensure the best sound possible by reducing unwanted noise interference, providing tight contacts, and utilizing the latest in cable technology.
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16.4 ft. of 4-Channel RCA Cable with Rhodium-plated contacts and ZeroNoise construction for clear signal transfer!		$99.99
Capacitors
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Installation, Tools & Accessories
With our professional install card, you can have your amp installed by a pro near you, or you can purchase tools and do the install yourself.
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Testing and Performance
Optimize your system's performance with testing tools such as SPL meters, bass test discs and more!
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Product Summary

Manufacturer: Rockford Fosgate
Model number: P4004
Weight: 16.00 lbs
Internal SKU: p4004
Internal product ID: 2203

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Customer Testimonial

Honest, quick, and great quality. As described and more. I will surely purchase from SonicElectronix whenever I need my car audio! Best out there. No exaggeration. I'm going to recommend them to my buddies.

- evol :) from CA

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