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Item# 19333
Rockford Fosgate Punch P400-4 - $181.00
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Rockford Fosgate Punch P400-4

Item# 19333

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Condition:  Brand New

400 Watt 4-Channel Amplifier

MSRP:$399.00
Regular Price:$249.00
Savings Of:$218.00 (54%)
Your Price $181.00

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View Vehicle Fit Guide
The P400-4 is perfect for 4-way front-stage/rear-fill or 3-way front-stage/subwoofer systems. 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.
  • RMS Power @ 4-Ohms: 50W x 4
  • RMS Power @ 2-Ohms: 100W x 4
  • RMS Power bridged @ 4-Ohms: 200W x 2
  • Crossover Controls High-Pass (HP): 50-500Hz 12dB/octave Butterworth, Low-Pass (LP): 50-500Hz 12dB/octave Butterworth
  • Dynamic Thermal Management cooling system
  • 1 RCA pair Input
  • 1 RCA pair Output
  • Class A/B Circuit
  • Cast aluminum Heat Sink
  • 12dB/octave crossover
  • 4 Gauge power/ground connections
  • Audiophile grade speaker connections
  • MOSFET output stage
  • MOSFET power supply
  • RCA pass-thru
  • Top Mounted LED Indicators
  • Optional PEQ Remote Punch EQ
  • Dimensions (HxWxL): 2.25 x 7.625 x 13.02 (in)
    *Warranty: 1 Year Onlinecarstereo.com warranty.
    1 Year warranty from Onlinecarstereo.com implies that repairs must be returned to Onlinecarstereo.com, not the manufacturer. More information can be found in our help section under returns & warranties.

    Do you own this product?  Write a review

       Josh From Fresno,Ca

    Ok so first have have say that this is a topdog amp .....

    100x4 is a joke...lol my birth sheet reads 743watts total and 175watts x4 rms supurb sound 

    spend the money its worth it RF is the bomb


       Scotty D From Medford OR

    Mine is rated at 70wattsX4 these amps are under rated in their specs unless you look at the birth sheet. Overall it is a great clean sounding amp and I definitely recomend it. I have had it for a couple of years and it still perfoms the same as it did new. This amp is great for a pair of 6.5" components on the front channels and a pair of 10" subwoofers on the rear channels bridged  (just wire em in series for 8 ohms or you may blow em). I also have my input gains turned all the way down being fed by a JVC head unit. The volume maxes out at 50 on the dial and my eq's on this amp are set at just over half and my system is very loud and clean at max volume level. This amp is custom installed in a '90 Mitsubishi Mighty Max pickup pushin' a pair of MB Quart 6.5's in the doors and a pair of RF Series1 10's in a custom sealed box behind the seat My stereo ROCKS thanks to RockFord Fosgate Punch P400-4 This amp does not dissapoint!!!


       Erik From ID, USA
    I got this hooked up to my front component speakers and also a single 250 RMS sub. Let me tell you, it's the best amp I've owned for mids and highs. The bass I was getting from the sub was very clean and enough to shake dem mirrors. Pretty good for multichannel. The amp is listed at 400 RMS but it's more like 500.

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