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ROCKFORD FOSGATE

ROCKFORD FOSGATE Punch 400 Watt 4-Channel Amplifier

$165.00 USD $219.99 USD
PBR400X4D

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 (amplifier)
CEA-2006 (amplifier)

Power ratings on Rockford Fosgate amplifiers conform to CEA-2006 industry standards. These guidelines mean your amplifier's ...

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CEA-2006 (amplifier)
CEA-2006 (amplifier)

Power ratings on Rockford Fosgate amplifiers conform to CEA-2006 industry standards. These guidelines mean your amplifier's output power ratings are REAL POWER numbers, not inflated marketing ratings.

Full Range Class-D
Full Range Class-D

A full-range version of the Class-D topology which is a high efficiency amplifier design that reduces ...

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Full Range Class-D
Full Range Class-D

A full-range version of the Class-D topology which is a high efficiency amplifier design that reduces current consumption from the charging system.

MEHSA<sup>3</sup>
MEHSA3

MEHSA3 reduces MOSFET temperatures, lowers distortion, increases durability and prolongs the output device life span.

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MEHSA<sup>3</sup>
MEHSA3

MEHSA3 reduces MOSFET temperatures, lowers distortion, increases durability and prolongs the output device life span.

DSM
DSM

DSM utilize 1% tight-tolerances improving efficiency of the circuit, decreases cross-talk from other discrete components and ...

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DSM
DSM

DSM utilize 1% tight-tolerances improving efficiency of the circuit, decreases cross-talk from other discrete components and lowers operating temperature.

Engineered In The USA
Engineered In The USA

These Avatars are a personal signature from the Rockford Fosgate team member(s) who designed and engineered ...

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CEA-2006 Compliant
CEA-2006 Power Rating
50W x 4 @ 4Ω
≤1.0% THD+N
Number of Channels
4
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
Bridgeable
Yes
Frequency Response
20Hz - 20kHz +/- 1dB
Input Sensitivity
150 mV to 12 V
Circuit Topology Class
Class D
Efficiency (average)
> 75%
Total Harmonic Distortion (THD+Noise)
4-Ohm < 1.0 
2-Ohm < 1.0
Signal Input
Input Switch: 2ch/4ch input switch 
Hi-Level: Variable DC offset sensitivity 
High-Level: Harness 
Low-Level: 2 Pair RCA
Signal Output
Tone Controls
Crossover Controls
High-Pass: 60Hz or 80Hz @ 12dB/Octave
Low-Pass: 80Hz @ 12dB/Octave
Remote Controls
Visual Indicators
Power: Blue
Protect: Red
Input Clip: Red
Output Clip: Blue/Violet/Red

LED Color Legend
BLUE: <0.5% TDH
VIOLET: 1% THD
RED: ≥10% THD
Power Wire Gauge
8 AWG
Power Input Connector
Detachable Compression Terminal
Speaker Wire Gauge
16 AWG
Speaker Output Connector
Front: 4-Pin Harness
Rear: 4-Pin Harness
Cooling
Convection
Heatsink
Extruded Aluminum
Operating Voltage
9 - 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 Alternator
75 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 Weight
3.1 Lbs. (1.4 Kg.)