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Rockford Fosgate PBR300X2 Punch 300 Watt 2-Channel Amplifier

Brand: Rockford Fosgate
Model Number: PBR300X2
UPC: 780687340506
Rockford Fosgate
Model Number: PBR300X2
UPC: 780687340506

Rockford Fosgate PBR300X2 300 Watt 2-Channel Punch Amplifier

  • 12dB/octave Butterworth crossover
  • MOSFET output stage
  • High level inputs
  • Ultra compact chassis
  • Variable 4-6 volt hi level DC offset voltage input turn-on control

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Product Description

Features & Specifications



Rockford Fosgate PBR300X2 300 Watt 2-Channel Punch Amplifier

The Rockford Fosgate PBR300X2 is a 300 Watt amplifier with Boosted Rail Technology, allowing it to be compact and efficient while providing big power. This amp is great for smaller stealth installations, motorcycles and recreational vehicles.

The Punch PBR300X2 uses our patented BRT (Boosted Rail Technology) for an ultra efficient design that does not use a switching power supply to generate its rated power. This allows the chassis design to be much smaller than traditional sized amplifiers. The BRT also has a variable hi-level DC offset turn-on circuit for easy installation into any OEM system. It is great for smaller stealth installations, as well as for motorcycles and recreational vehicles.

Tiny giant

You won’t believe how small and powerful this amp is. The Rockford Fosgate PBR300X2 2-channel amp puts out 100 watts RMS each to a pair of speakers, all from an amp you can easily hold in one hand. You can also put this amp in one-channel mode to drive a sub with 300 watts RMS of bumping bass. And an optional wired remote control lets you add Rockford Fosgate’s famous extra Punch from the front seat.

PBR300X2 control panel

Boosted Rail (BR) amp technology

This Punch Class BR amplifier uses Boosted Rail (BR) amp technology to generate so much power from such a tiny case, with capacitors and high-speed circuitry that boost the amp’s power supply voltage when needed, so it can handle musical peaks without missing a beat. Rockford Fosgate uses this new technology to create a remarkable amp that fits almost anywhere and delivers powerful sound.

Heat management

The amp also features speaker-level inputs with signal-sensing turn-on, allowing you to connect into almost any system without having to run a turn-on lead back to the receiver. An extruded aluminum heat sink combines with Rockford Fosgate’s heat management technology to make sure your tunes keep rockin’ — even when you’re playing loud.

Brand Rockford Fosgate   Model Rockford Fosgate PBR300X2
Product: Rockford Fosgate PBR300X2 Punch 300 Watt 2-Channel Amplifier

– RMS Power Output (Watts x Channels): 100 x 2
– Power at 2 Ohms: 150 x 2
– Bridged Power : 300 x 1
– Minimum Impedance Bridged: 4
– Minimum Impedance Unbridged: 2
– Minimum Impedance: 2
– Frequency Response: 20Hz – 20kHz +/-3dB
– THD at Rated RMS Power: 1%
– Signal to Noise Ratio: 80 dB
– Input Voltage: 14.4v
– Input Sensitivity: 150 mV – 11 V
– Efficiency (average): 68% @ 4-Ohm
– Signal Input: High/Low Level Input: 4-Pin harness
– Hi-Level Sensitivity: Variable DC offset sensitivity
– Operating Voltage: 9 – 16 VDC


– Amplifier Class: BR
– Cooling: Convection
– Low-Pass Crossover Frequency: 50-500 Hz
– Low-Pass Slope: 12 dB/oct
– High-Pass Crossover Frequency: 50-500 Hz
– High-Pass Slope: 12 dB/oct
– Bass Boost: Optional (0-18 dB)
– Bass Boost Frequency: 45 Hz
– Fuse Rating: 30
– Speaker Level Inputs: RCA
– Preamp Outputs: No
– Bridgeable: Yes
– Visual Indicators: Power/Protect, BRT (Boost)
– Speaker Wire Gauge: 16 AWG
– Speaker Output Connector: 4-Pin Harness
– Recommended Fuse: 50 A
– Average Current Draw (13.8V Music): 23 A
– Max. Current Draw (13.8V Sinewave): 45 A
– Suggested Alternator: 75 A


– Power Wire Gauge: 10 AWG
– Power Input Connector: Detachable Compression Terminal
– Total Power: 300 Watts
– Rated Power: 100 Watts x 2 @ 4-Ohm
150 Watts x 2 @ 2-Ohm
300 Watts x 1 @ 4-Ohm Bridged
– Dynamic Power: 114 Watts x 2 @ 4-Ohm
160 Watts x 2 @ 2-Ohm
387 Watts x 1 @ 4-Ohm Bridged


– Tone Controls: Optional Remote Punch EQ
– Crossover Controls: High-Pass: 50Hz – 500Hz @ 12dB/Octave Butterworth
– Low-Pass: 50Hz – 500Hz @ 12dB/Octave Butterworth
– All-Pass: Yes
– Remote Controls: Optional PEQ provides 0dB to +18dB @ 45Hz

Dimensions (H x W x D)

– 1.53 x 4.25 x 6.75 (in.)
– 3.90 x 10.8 x 17.2 (cm)
– Shipping Weight: 2.8 Lbs. (1.27 Kg.)

Mobile Amplifier Channels

2 Channel

Mobile Amplifier Class

Class BR

Mobile Amplifier Features

Bass Boost, High-Pass Filter, Low-Pass Filter, Speaker Level Inputs

Mobile Amplifier Fuse Rating


Mobile Amplifier RMS

101 to 150 watts

Mobile Min Impedance


UTV Amplifier


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Rockford Fosgate Canada Limited 1-Year Warranty


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