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Rockford-fosgate-p400-4.13010313
8.2 out of 10

Rockford Fosgate P400-4

12dB/octave crossover 2/4 channel switch 4 Gauge power/gro Read more

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Reviews and Problems with Rockford Fosgate P400-4

Showing 1-10 of 23
Overall 8
8.0
Design 10
10
Value for money 10
10
Features 8
8.0
Durability 10
10
Usability 8
8.0

Power to spare SQ to be desired

808Mag from Kona, HI, Sonic Electronix
13 April 2012
  • Conclusion: This thing is a beast makes my Polk DB Tweeters scream! My Boston 5x7's and Pioneer 6x8's hit like subwoofers in my Mazda 3. I have the gains set at less than half. It's also built like a tank and is plenty loud. I had to do some tuning with the Crossovers and Punch EQ to get it to sound more natural. The power this thing has makes it very easy to pickup distortion as well as electrical noise. I had to re-route my RCA's to elimate the noise that this thing picked up.
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Overall 10
10
Design 10
10
Value for money 10
10
Features 10
10
Durability 10
10
Usability 10
10

Excellent Amplifier

Tony from Thornhill, ON, Canada, Sonic Electronix
12 February 2012
  • Conclusion: I have always used Rockford Fosgate it has never let me down, this amplifier sounds great as all the other Rockford Fosgate amplifier's that I have owned in the past.
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Overall 8
8.0
Design 10
10
Value for money 6
6.0
Features 8
8.0
Durability 10
10
Usability 8
8.0

Good but slightly inconvenient at first...

John from Silsbee, Texas, Sonic Electronix
31 December 2011
  • Conclusion: This amp will push plenty of power to your speakers but I wouldn't use the punch series speakers with this amp because the mids drown everything out and distort a little sometimes. I had my hp set to 125 for front and 110 for my rear speakers, everything sounds really clear and edgy but not as full and smooth as I like, I just don't think the crossover gives you a convenient way to tune everything so I use pioneer speakers for extra bass and a smoother range of...
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Overall 10
10
Design 10
10
Value for money 10
10
Features 10
10
Durability 10
10
Usability 10
10

Great as always

Buddy Lee from Lawton, OK, Sonic Electronix
23 December 2011
  • Conclusion: I have been running Fosgate amps since I first got into stereos in the early 1990s. I have owned about fourteen Fosgate amps and only had problems with two of them, one was my fault for overheating it because I had my sub box sitting on the amp and the other blew for unknown reasons but both were under warranty and replaced for only the cost of shipping to Fosgate. I have this 400.4 pushing four 6.5" Kicker marine co-axials in my pontoon boat.
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Overall 10
10
Design 10
10
Value for money 10
10
Features 10
10
Durability 8
8.0
Usability 10
10

Great

scott from parma, OH, Sonic Electronix
23 October 2011
  • Conclusion: Great amp very powerful I have it powering the infinity kappa component 6.5 and jvc 6x9s and they sound great with it turned only half way up and there more then loud enough with a Very clean crisp singnal being sent out I would definetly recommend this amp.
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Overall 10
10
Design 10
10
Value for money 10
10
Features 8
8.0
Durability 10
10
Usability 10
10

diz chit knocks!!

Shane from Sunnyvale, CA, Sonic Electronix
5 October 2011
Overall 10
10
Design 10
10
Value for money 10
10
Features 10
10
Durability 10
10
Usability 10
10

Rockford wins!!

Mod from CR,WA, Sonic Electronix
9 January 2011
  • Conclusion: I have had Rockford amps in almost all of my vehicles since the late 80's and they have never let me down as far as sound quality and adjustability of levels. This new Punch 400x4 channel amp fills the bill quite well for those looking for a bit more power for under $300. Slim chassis design does not take up any space at all, it fit perfectly under my passenger seat with room to spare.
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Overall 10
10
Design 10
10
Value for money 10
10
Features 10
10
Durability 10
10
Usability 10
10

Great amp

Colton from Vancleave, MS, Sonic Electronix
14 December 2010
  • Conclusion: This amp was suppose to be 50 x 4. When I got it the birth sheet read 76x4 so I'm not complaining. This is such a great amp and underrated. Well worth the value.
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Overall 10
10
Design 8
8.0
Value for money 10
10
Features 8
8.0
Durability 10
10
Usability 8
8.0

Rockford Fosgate P400-4

NSX FANATIC from DETROIT, MI, Sonic Electronix
15 November 2010
  • Conclusion: I wanted a quality amp that had the features I needed in a small package, ie, bass, treble, multi-channel.. I've always wanted a Rockford amp so I decided to go with this model. So far so good, It's living up to all my expectations..
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Overall 10
10
Design 8
8.0
Value for money 10
10
Features 10
10
Durability 10
10
Usability 8
8.0

Rockford Fosgate Punch P400-4

Tom from Derby Ct., Sonic Electronix
15 October 2010
  • Conclusion: Great Amp, awesome power, can't beat the price for what you get, I have two older 2 channel Fosgate amps and this amp kick's butt just like the others do!!
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