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Item#: 9SIA1D914D0838

Rockford Fosgate PBR300X4 300 Watt 4-Channel Amplifier for Compact Sub Systems

  • Rockford Fosgate

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  • Overview
  • Specifications
  • Warranty & Returns
  • Reviews

The Rockford Fosgate PBR300X 300 Watt 4-channel Amplifier is designed for compact subwoofer systems. It is perfect for motorcycles, ATV's, and hybid-electric vehicles and it won't drain a lot of juice from your electrical system. This amp features: a MOSFET output stage, high level inputs, an ultra compact chassis, Boosted Rail Technology (BRT) which is an ultra efficient design that doesn't even use a switching power supply to generate its 300 Watts of power, NOMAD technology that protects the amplifier from shorting speaker wires and low speaker impedances, Dynamic Thermal Management (DTM) that evenly distributes excess heat across the entire amplifier heatsink, an onboard equalizer, and this amplifier is CEA-2006 compliant that means the amplifier's output power ratings are REAL POWER numbers, not inflated marketing ratings. Cruise around in your motorcycle or recreational vehicle with thumping bass powered by the Rockford Fosgate PBR300X4 300 Watt 4-Channel Amplifier!Rockford Fosgate PBR300X4 300 Watt 4-Channel Amplifier for Compact Sub Systems - Rated Power: - 75 Watts x 4 @ 4-Ohm (This amplifier is only capable of operation at 4-Ohms) - Total Power: - 300 Watts RMS - Dynamic Power: - 300 Watts x 4 @ 4-Ohms - Channels: 4 - Crossover Controls: Selectable 80Hz LP/AP/80Hz HP @ 12dB/Octave - Signal Input: - Hi-Level: Variable DC offset sensitivity - High-Level: harness - Low-Level: 2 Pair RCA - Power Input Connector: Block harness - Power Wire Gauge: 10 AWG - Speaker Output Connector: Harness - Speaker Wire Gauge: Harness 16 AWG - Heat Sink Type: Extruded aluminum - Cooling: Convection - Visual Indicators: Power/Protect, Boost - Circuit Topology Class: Class-BR - Frequency Response: 20Hz - 2kHz +/-1dB - Dimensions: 1.53" (H) x 4.25" (W) x 6.75" (L) (3.90cm x 10.8cm x 17.2cm)


Rockford Fosgate




Amplifier Channels
4 Channels


Max Power
RMS Power
75 Watts x 4 @ 4-Ohm


Frequency Response
20Hz - 2kHz +/-1dB
Warranty, Returns, And Additional Information

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  • Elliott L.
  • 9/15/2012 8:25:20 AM
  • Tech Level: Somewhat High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGreat Product

Pros: Love the compact design and easy installation of this amp and sounds great!!!! Amazing audio output for such a tiny amp.

Cons: Connectors are kind of a pain, I decided to run an 8g wire instead of a 10g and had a heck of a time trying to get the wire into the connector. Also because they are connecters that plug into the amp there isn't really an option to have true low level out put but that is ok.

Other Thoughts: Overall, great product, would recommend any Rockford product to friends and loved ones and now that I am a proud owner of one I can truely appreciate the quality of their products

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Home > 
Automotive & Industrial > 
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Rockford > 
Item#: 9SIA1D914D0838
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