Rockford Fosgate
300W RMS 12" Powered Subwoofer System

Rockford Fosgate P300-12
Rockford Fosgate P300-12 Rockford Fosgate P300-12 Rockford Fosgate P300-12 Rockford Fosgate P300-12 Rockford Fosgate P300-12 Rockford Fosgate P300-12 Rockford Fosgate P300-12


The P300-12 powered subwoofer is an “all-in-one” solution when adding bass to a factory system or just to save space. This model features a 12” subwoofer in a sealed enclosure powered by an internal 300 watt amplifier.

If you need to quickly add bass to a system or want to alleviate the hassle of separate amplifiers and subwoofers, then the P300-12 is the right one for the job! The P300-12 features a Punch 12” subwoofer in a custom sealed enclosure and is powered by a mighty 300 Watt amplifier. The system is all-inclusive, so you only need to run power, ground and a signal from the source to get this baby moving. Features a durable exterior that resists scrapes and bumps while in the trunk or cargo area.

  • "Closed-loop" Design Ensures Optimum Performance between Woofer, Amplifier and Enclosure
  • Separate Low Level and Speaker Level Inputs
  • Built-in Adjustable Bass Boost EQ
  • Built-in 0°/180° Phase Switch
  • Intelligent Auto Turn On/Off Function
  • Adjustable 12db/Octave Low Pass Crossover
  • High-efficiency, Low Current Design
  • Remote Bass Level Control Included
  • Proprietary High Output Woofer
  • Detachable Power/Ground Connector
  • Thermal and Over/Under Voltage Protection
  • Large AWG Input Terminals
  • Covered with Industrial Heat Activated Vinyl
  • Constructed with 5/8" MDF
  • 1 Year Warranty


Power ratings on Rockford Fosgate amplifiers conform to CEA-2006 industry standards.


Power handling on Rockford Fosgate speakers conform to CEA-2031 industry standards.

Klippel Verified

Klippel is a speaker certification program allowing us to deliver the best possible subwoofers.


Subwoofer Size
300W RMS
Frequency Response
20Hz – 200Hz
Enclosure Type
Crossover Controls
Variable 50Hz to 200Hz 12dB/Octave Butterworth
Tone Controls
Gain and Bass Boost
Signal Input
Low-Level: 1 RCA Pair
High-Level: Left/Right Summed Inputs
Power Input Connector
Quick Disconnect
Power Wire Gauge
Remote Control
Heat Sink Type
Extruded Aluminum
15" x 19.8" x D1 11" - D2 7"
381 x 503 x D1 279 - D2 178 mm
29.6 lbs (13.42 kg)
More Information
Brand Rockford Fosgate
Amplifier RMS Power 300W RMS
Subwoofer Size 12"