Rockford Fosgate PM400X4 Punch Marine 400 Watt 4-Channel Amplifier

The PM400X4 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 PM400X4 is an excellent amplifier choice for virtually any vehicle.

High level input capable with Auto Turn-On circuit
Features C.L.E.A.N. Set-up
12dB/octave Butterworth crossover
On-board Punch EQ with +18dB boost @ 45Hz
Muted turn on
Stealth top mounted control panel
Cast aluminum heatsink
Short circuit protection
Over current protection
Marine grade two part epoxy coating on circuit boards
Marine grade stainless steel hardware
2 Year Warranty
Recommended Fuse
(not included)
60 A
CEA-2006 Compliant
CEA-2006 Power Rating
50W x 4 @ 4Ω
≤1.0% THD+N
Max. Current Draw (13.8V Sinewave)
60 A
Average Current Draw (13.8V Music)
30 A
Total Harmonic Distortion (THD+Noise)
4-Ohm: <1.0%
2-Ohm: <1.0%
Efficiency (average)
67% @ 4-Ohm
Dynamic Power
(PVC/PowerCube®)
82 Watts x 4 @ 4-Ohm
137 Watts x 4 @ 2-Ohm
266 Watts x 2 @ 4-Ohm Bridged
Shipping Weight
10.8 Lbs. (4.89 Kg.)
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
Operating Voltage
9 - 16 VDC
Suggested Alternator
75 A
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)
Dimensional Diagram