Rockford Fosgate PBR400X4D Punch 400 Watt Full-Range 4-Channel Amplifier

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Punch 400 Watt Full-Range 4-Channel Amplifier
The Punch PBR400X4D is a 400 Watt full-range amp designed for compact systems. This efficient 4-channel amp packs a Punch in UTVs, motorcycles, and hybrid-electric vehicles without sucking a lot of juice from your electrical system.

The Rockford PBR400X4D is a full-range 4-channel amplifier designed for stereo front/rear systems that requires little space. The BRT (Boosted Rail Technology) is an ultra efficient design that generates 400 Watts of power! The BRT also has a variable hi-level DC offset turn-on circuit for easy installation into any OEM system. Great for motorcycles and recreational vehicles.

Full Range Class D
Differential inputs with high level auto turn-on feature
8 AWG power/ground connector
Remote-Out feature when using high level inputs
C.L.E.A.N. input/output clip detection and indicator LEDs
Real time output and power supply thermal sensing
Extruded aluminum heatsink
Selectable Fixed 12dB/Octave Butterworth Crossovers
Muted turn on
Rockford Fosgate proprietary protection
Discrete surface mount technology
Compact design for stealth installations
CEA-2006 and CE compliant
1 Year Warranty

CEA-2006 CompliantCEA-2006 GuidelinesCEA-2006 Power Rating
50W x 4 @ 4Ω
≤1.0% THD+N
Number of Channels4
Total Power
(Sum of Rated Power)400 Watts
Rated Power
(RMS Continuous Power)50 Watts x 4 @ 4-Ohm
100 Watts x 4 @ 2-Ohm
200 Watts x 2 @ 4-Ohm Bridged
Dynamic Power
(PVC/PowerCube®)75 Watts x 4 @ 4-Ohm
130 Watts x 4 @ 2-Ohm
270 Watts x 2 @ 4-Ohm Bridged
Frequency Response20Hz - 20kHz +/- 1dB
Input Sensitivity150 mV to 12 V
Circuit Topology ClassClass D
Efficiency (average)> 75%
Total Harmonic Distortion (THD+Noise)4-Ohm < 1.0
2-Ohm < 1.0
Signal InputInput Switch: 2ch/4ch input switch
Hi-Level: Variable DC offset sensitivity
High-Level: Harness
Low-Level: 2 Pair RCA
Signal Output—
Tone Controls—
Crossover ControlsHigh-Pass: 60Hz or 80Hz @ 12dB/Octave
Low-Pass: 80Hz @ 12dB/Octave
Remote Controls—
Visual IndicatorsPower: Blue
Protect: Red
Input Clip: Red
Output Clip: Blue/Violet/Red

LED Color Legend
BLUE: <0.5% TDH
RED: ≥10% THD
Power Wire Gauge8 AWG
Power Input ConnectorDetachable Compression Terminal
Speaker Wire Gauge16 AWG
Speaker Output ConnectorFront: 4-Pin Harness
Rear: 4-Pin Harness
HeatsinkExtruded Aluminum
Operating Voltage9 - 16 VDC
Recommended Fuse
(not included)60 A
Average Current Draw (13.8V Music)27 A
Max. Current Draw (13.8V Sinewave)50 A
Suggested Alternator75 A
Dimensional Diagram
Dimensions (H x W x D)1.53 x 4.25 x 6.75 (in)
3.9 x 10.79 x 17.16 (cm)
Shipping Weight3.1 Lbs. (1.4 Kg.)

Extra Information

Rockford Fosgate

Warranty Information

2 Years