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125 Watt 2-Channel Amplifier R125-2

125 Watt 2-Channel Amplifier R125-2

The Prime R125-2 is a 125 watt 2-Channel amplifier capable of running 2-Ohms stereo and/or 4-Ohms bridged/mono. Includes on-board Punch Bass and crossover controls along with built-in Pass-Thru RCA jacks.

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The Prime R125-2 is a 2-Channel amplifier perfect for any Car Audio Fanatic getting into mobile audio. This amplifier features variable Punch Bass to tune low frequencies, variable crossover to either protect your high frequency speakers or feeding only bass to your subwoofers, and Pass-Thru jacks for daisy-chaining another amplifier.

  • 4 Gauge power/ground connections with built-in ATC fusing
  • 12dB/octave Butterworth crossover
  • Punch Bass EQ
  • MOSFET power supply
  • RCA pass-thru outputs
  • 1 Year Warranty

Power supply and output design that allows the amplifier to increase power output as voltage increases.

CEA-2006 Compliant
CEA-2006 Compliant

Power ratings on Rockford Fosgate amplifiers conform to CEA-2006 industry standards. These guidelines mean your amplifier's ...

Class A/B
Class A/B

An amplifier topology with the best of both worlds; a Class A preamp and Class B ...

Rated Power
(RMS Continuous Power)
40 Watts x 2 @ 4-Ohms
65 Watts x 2 @ 2-Ohms
125 Watts x 1 @ 4-Ohms Bridged
Number of Channels
CEA-2006 Compliant
CEA-2006 Guidelines
Crossover Controls
High-Pass (HP): 80Hz Fixed @ 12dB/octave Butterworth
Low-Pass (LP): 50Hz-250Hz @ 12dB/octave Butterworth
Signal Input
Low Level: 1 RCA Pair
Signal Output
Low Level: 1 RCA Pair
Power Wire Gauge
Speaker Output Connector
Barrier Strip
Speaker Wire Gauge
Remote Controls
Visual Indicators
Frequency Response
20Hz to 20kHz +/-1dB
Dimensions (H x W x D)
2.4 x 7.7 x 7.7 (in)
6.1cm x 19.6cm x 19.6cm (cm)
Shipping Weight
4.2 Lbs.
(1.9 Kg.)
Dynamic Power
Efficiency (average)
60% @ 4-Ohm
55% @ 2-Ohm
Tone Controls
Punch Bass: 0dB to +12dB @ 45Hz
Power Input Connector
Barrier Strip
Heat Sink Type
Extruded Aluminum
Circuit Topology Class
Class A/B
Total Power
(Sum of Rated Power)
125 Watts RMS
Dimensional Diagram

Return Authorization

Contact the Authorized Rockford Fosgate Dealer you purchased this product from. If you need further assistance, call 1-800-669-9899 for Rockford Customer Service. You must obtain an RA# (Return Authorization number) to return any product to Rockford Fosgate. You are responsible for shipment of product to Rockford.

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