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Rockford Fosgate Punch P400X4 4 Channel Amplifier

Advertised price subject to our fitment (fitment cost not included).

The Punch P400X4 is a 4-channel amplifier producing 100 Watts into all four channels at 2-Ohm. The P400X4 is perfect for a 4-way full-range system or a 3-way system having a front stage with subwoofers on the rear channels.


SKU: P400X4 Category: Brand:
Information
Specifications
Operating Voltage
9 - 16 VDC
Channel Separation
>50 dB
Damping Factor
>500
Common Mode Rejection
>55 dB
Signal-to-Noise (CEA)
>85 dB
CEA-2006 Compliant
CEA-2006 Power Rating
50W x 4 @ 4Ω
≤1.0% THD+N
Efficiency (average)
67% @ 4-Ohm
Total Harmonic Distortion (THD+Noise)
4-Ohm: <1.0% 
2-Ohm: <1.0%
Shipping Weight
10.8 Lbs. (4.89 Kg.)
Recommended Fuse 
(not included)
60 A
Max. Current Draw (13.8V Sinewave)
60 A
Average Current Draw (13.8V Music)
30 A
Dynamic Power 
(PVC/PowerCube®)
82 Watts x 4 @ 4-Ohm 
137 Watts x 4 @ 2-Ohm 
266 Watts x 2 @ 4-Ohm Bridged
Suggested Alternator
75 A
Crossover Controls
Front High-Pass/Low-Pass (HP/LP): 50Hz-250Hz @ 12dB/octave Butterworth 
Rear High-Pass/Low-Pass (HP/LP): 50Hz-250Hz @ 12dB/octave Butterworth 
All-Pass: Yes
Input Sensitivity
150 mV - 12 V
Number of Channels
4
Rated Power 
(RMS Continuous Power)
50 Watts x 4 @ 4-Ohm 
100 Watts x 4 @ 2-Ohm 
200 Watts x 2 @ 4-Ohm Bridged
Total Power 
(Sum of Rated Power)
400 Watts
Bridgeable
Yes
Tone Controls
Front Punch EQ2 Bass: 0dB to +18dB @ 45Hz and/or 
Front Punch EQ2 Treble: 0dB to +12dB @ 12.5kHz 
Rear Punch EQ2 Bass: 0dB to +18dB @ 45Hz and/or 
Rear Punch EQ2 Treble: 0dB to +12dB @ 12.5kHz 
Function depends upon LP/AP/HP switch position
Signal Input
Hi/Low level: 2 RCA pair
Signal Output
-
Power Input Connector
Captive C-Clamp
Power Wire Gauge
8 AWG to 4 AWG
Speaker Output Connector
Captive C-Clamp
Speaker Wire Gauge
8 AWG to 18 AWG
Heat Sink Type
Cast aluminum
Cooling
Convection
Remote Controls
-
Visual Indicators
Power/Protect/Thermal LED 
Input Clip LED3 
Output Clip LED1,2,3 

LED Color Legend: 
1BLUE: <0.5% THD 
2VIOLET: 1% THD 
3RED: 10%+ THD

Circuit Topology Class
Class A/B
Frequency Response
20Hz to 20kHz +/- 1.0dB
Dimensions (H x W x D)
2.38 x 7.76 x 11.03 (in) 
6.05 x 19.71 x 28.02 (cm)

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