Description
Punch 400 Watt Full-Range 4-Channel Amplifier 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.
he 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

50W x 4 @ 4Ω
≤1.0% THD+N
(Sum of Rated Power)
(RMS Continuous Power)
100 Watts x 4 @ 2-Ohm
200 Watts x 2 @ 4-Ohm Bridged
(PVC/PowerCube®)
130 Watts x 4 @ 2-Ohm
270 Watts x 2 @ 4-Ohm Bridged
2-Ohm < 1.0
Hi-Level: Variable DC offset sensitivity
High-Level: Harness
Low-Level: 2 Pair RCA
Low-Pass: 80Hz @ 12dB/Octave
Protect: Red
Input Clip: Red
Output Clip: Blue/Violet/RedLED Color Legend
BLUE: <0.5% TDH
VIOLET: 1% THD
RED: ≥10% THD
Rear: 4-Pin Harness
(not included)