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Rockford Fosgate

Rockford Fosgate Punch 300 Watt BRT Mono Amplifier - PBR300X1

Abt Model: PBR300X1 | UPC Code: 780687333096
 Discontinued Product This item is no longer available from our website.
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High Level Inputs/ Ultra Compact Chassis/ 300 Watts RMS/ Non-Bridgeable/ 35Hz - 250Hz Low Pass Crossover Control/ Block Harness Power Input Connector/ Convection Cooling/ Extruded Aluminum Heat Sink/ Class-BR Circuit Topology Class/ Black Finish
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Product Details

Rockford Fosgate Punch 300 Watt BRT Mono Amplifier, Model PBR300X1

The PBR300X1 is a mono amplifier designed for a subwoofer system that requires little space. The BRT (Boosted Rail Technology) is an ultra efficient design that doesn't even use a switching power supply to generate its 300 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.


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


  • Number of Channels 1
  • Rated Power (RMS Continuous Power)
    • 75 Watts x 1 @ 4-Ohm 
    • 150 Watts x 1 @ 2-Ohm 
    • 300 Watts x 1 @ 1-Ohm
  • Total (Sum of Rated Power) 300 Watts RMS
  • Dynamic Power (PVC/PowerCube® Measurement) 300 Watts x 1 @ 1-Ohm
  • Bridgeable No
  • Efficiency (average)
    • 75% @ 4-Ohm 
    • 75% @ 2-Ohm 
    • 75% @ 1-Ohm
  • Crossover Controls 35Hz - 250Hz Low Pass @ 12dB/Octave Butterworth
  • Signal Input
    • High/Low Input Switch 
    • High/Low Level Input: 4-Pin harness 
    • Hi-Level Sensitivity: Variable DC offset sensitivity
  • Power Input Connector Block harness
  • Power Wire Gauge 10 AWG
  • Speaker Output Connector
    • 4-Pin Harness 
    • Wiring Convenience: 2 Negative Terminals (-) / 2 Positive Terminals (+)
  • Speaker Wire Gauge Harness 12 AWG
  • Heat Sink Type Extruded aluminum
  • Cooling Convection
  • Remote Controls Optional PEQ provides 0dB to +18dB @ 45Hz
  • Visual Indicators Power/Protect, BRT (Boost)
  • Circuit Topology Class Class-BR
  • Frequency Response 20Hz - 250Hz +/-3dB

Approximate Dimensions:

  • Height: 1.53"
  • Width: 4.25"
  • Length: 6.75"

Approximate Weight:

  • Shipping: 2.76 lbs

Warranty Information:

  • Manufacturer Warranty (authorized online retailer): 1 Year Parts & Labor
  • Extended Service Warranty Available: Click the warranty tab above for details
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More reasons to buy the Rockford Fosgate PBR300X1 from Abt Electronics
  • is an authorized dealer (Learn More).
  • The Rockford Fosgate PBR300X1 is Brand New.
  • The Rockford Fosgate PBR300X1 Ships in a Factory Sealed Box.
  • Abt ships this product for free!
Rockford Fosgate Punch 300 Watt BRT Mono Amplifier

Rockford Fosgate Punch 300 Watt BRT Mono Amplifier


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