125 Watt 2-Channel Amplifier R125-2

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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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Overview Technologies Specifications Support Accessories Wiring Wizard
Overview

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.

FEATURES AT A GLANCE

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

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

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CTA-2006 Compliant

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

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P.O.W.E.R.

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

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Specifications
Cta-2006 Compliant
Number of Channels
2
Total Power
(Sum of Rated Power)
125 Watts RMS
Rated Power
(RMS Continuous Power)
40 Watts x 2 @ 4-Ohms
65 Watts x 2 @ 2-Ohms
125 Watts x 1 @ 4-Ohms Bridged
Dynamic Power
(PVC/PowerCube®)
Bridgeable
Yes
Frequency Response
20Hz to 20kHz +/-1dB
Input Sensitivity
Circuit Topology Class
Class A/B
Efficiency (average)
60% @ 4-Ohm
55% @ 2-Ohm
Total Harmonic Distortion (Thd+Noise)
Signal Input
Low Level: 1 RCA Pair
Signal Output
Low Level: 1 RCA Pair
Tone Controls
Punch Bass: 0dB to +12dB @ 45Hz
Crossover Controls
High-Pass (HP): 80Hz Fixed @ 12dB/octave Butterworth
Low-Pass (LP): 50Hz-250Hz @ 12dB/octave Butterworth
Remote Controls
Visual Indicators
Power
Protect
Power Wire Gauge
4 AWG
Power Input Connector
Barrier Strip
Speaker Wire Gauge
8 AWG
Speaker Output Connector
Barrier Strip
Cooling
Convection
Heatsink
Operating Voltage
Recommended Fuse
(Not Included)
Average Current Draw (13.8V Music)
Max. Current Draw (13.8V Sinewave)
Suggested Alternator
Included In The Box
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.)
Compatibility
Support

Knowledge Base Articles


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Ask Our Experts

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.


Return Authorization Process



Diagnose First

Prior to requesting an RA, try to diagnose the failure. Many products we receive are sent back with No Trouble Found, usually due to incorrect installation. Use our RFTECH:Knowledge Base for troubleshooting assistance.



Contact Customer Support

Please call us during normal business hours at 1-800-669-9899 (option #1) and be prepared with the following information:

  • First and Last Name with complete Shipping Address
  • Product Name (T0D415)
  • Serial Number (12 or 13 digit number)
  • Failure Diagnosis (no output, no power LED, etc.)
  • Scanned copy of Original Receipt emailed to [email protected] (dealer name, purchase date, and item purchased must be legible)
  • Credit/Debit Card (if paying for out-of-warranty claims)
  • No money orders or checks.


Shipping Instructions

When shipping your product, your package MUST have the following information:

  • RA# Printed Outside of Box (as large as possible)
  • Copy of Original Receipt


Shipping Address

Ship your product (UPS or FedEx preferred) to the following:


Rockford/ AJR International
300 Regency DR
Glendale Heights, IL 60139
RA#:_______________________
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Wiring Wizard

Available Wiring Diagrams

Please consult your amplifier owner's manual for lowest recommended impedance.

The below diagrams optimize this amp for its lowest recommended BRIDGED/MONO load.



Wiring Diagram #1



Wiring Diagram #2



Wiring Diagram #3



Wiring Diagram #4



Wiring Diagram #5



Wiring Diagram #6



Wiring Diagram #7



Wiring Diagram #8



Wiring Diagram #9



Wiring Diagram #10

Speaker Polarity

Your woofer may use one of the following to identify (+/-) terminals.

Positive +

Red Post

Purple (4Ω)

Red (8Ω)

Negative -

Black Post

No Dot

No Dot

FAQ

Determining power needed for speakers

Prevent blowing your subwoofers

Temperature differences between subwoofer voice coil types

Differences between SVC and DVC subwoofers

Speaker Polarity

Your woofer may use one of the following to identify (+/-) terminals.

Positive +

Red Post

Purple (4Ω)

Red (8Ω)

Negative -

Black Post

No Dot

No Dot

FAQ

Determining power needed for speakers

Prevent blowing your subwoofers

Temperature differences between subwoofer voice coil types

Differences between SVC and DVC subwoofers

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