


Punch 400 Watt 4-Channel Amplifier
Marsoni
M251S
Get it in 3 business days with 1 day shipping.
Friday, May 29
Punch 400 Watt 4-Channel AmplifierOverview The Punch P400X4 is a 4 channel amp, 100W each at 2 Ohm. Ideal for 4 way full range or 3 way with front stage and rear subwoofers Features 12dB octave Butterworth crossover Short circuit protection Over current protection High level input capable with Auto Turn On circuit Features C. L. E. A. N. Set up On board Punch EQ with +18dB boost @ 45Hz Cast aluminum heatsink 1 Year Warranty Muted turn on Stealth top mounted control panel Technologies
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- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
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4.5 ★★★★★
Based on 1250 reviews
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Product Reviews
★★★★★ 5
Well made. Easy install.
Size: Standard--black, Size: Standard--black
These were easy to install. All the hardware was included. They look good. Seems well made.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on March 4, 2026
★★★★★ 5
Sturdy solution
Size: Standard--black
I needed a way to mount rear speakers and this was the solution. They're sturdy and adjustable to fit reasonably sized speakers. They also pivot up and down and swivel so really perfect.
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on April 18, 2026
★★★★★ 5
Works good
Size: 500 A
Works good of 0 gage wiring
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on May 7, 2024
★★★★★ 5
Not all 100-500ah fuses are the same size as the holder you may have and vise versa
Size: 500 A
Better than most and best to use ring terminal like this
WAS THIS REVIEW HELPFUL?YesReportShare
Reviewed in the United States on September 7, 2023
★★★★★ 4
Good job .
Size: 500 A
Product is working as it should so far .
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Reviewed in the United States on April 19, 2026