Prime 300 Watt 4-Channel Amplifier R300-4

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Prime 300 Watt 4-Channel Amplifier R300-4

The PRIME R300-4 is a versatile 4-channel amplifier capable of running your entire system. The R300-4 is great for full-range or component speakers on the front channels with subwoofers on the rear running in bridged/mono mode.

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Overview Technologies Specifications Support Accessories Wiring Wizard
Overview

Rockford Fosgate amplification at an unbelievable value. The R300-4 4-channel amplifier is so versatile, it will be the only amplifier your system needs. Full-range or component speakers on the front channels and a single R1S410 10" or R1S412 12" woofer bridged/mono on the rear. Consider your system clean, loud and done!. Check out our RFTECH:Woofer WiringWizard to get the most out of your amplifier.

FEATURES AT A GLANCE

  • 12dB/octave Butterworth crossover
  • 4 Gauge power/ground connections with built-in ATC fusing
  • MOSFET power supply
  • 1 Year Warranty
Technologies
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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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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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
4
Total Power
(Sum of Rated Power)
300 Watts RMS
Rated Power
(RMS Continuous Power)
50 Watts x 4 @ 4-Ohm
75 Watts x 4 @ 2-Ohm
150 Watts x 2 @ 4-Ohm Bridged
Dynamic Power
(PVC/PowerCube®)
Front Channels:
62 Watts x 2 @ 4-Ohms 0° Res
98 Watts x 2 @ 2-Ohms 0° Res

Front Channels:
61 Watts x 2 @ 4-Ohms 0° Res
89 Watts x 2 @ 2-Ohms 0° Res
Bridgeable
Yes
Frequency Response
20Hz to 20kHz +/-1dB
Input Sensitivity
Circuit Topology Class
Class A/B
Efficiency (average)
60% @ 4-Ohm
50% @ 2-Ohm
Total Harmonic Distortion (Thd+Noise)
Signal Input
Low Level: 2 RCA pair
Signal Output
n/a
Tone Controls
Front Channels
Punch Bass: 0dB/+6dB/+12dB @ 45Hz

Rear Channels
Punch Bass: 0dB/+6dB/+12dB @ 45Hz

Function works when crossover in (LP) position
Crossover Controls
Front Channels
High-Pass (HP): 80Hz @ 12dB/octave Butterworth
Low-Pass (LP): 50Hz-250Hz @ 12dB/octave Butterworth

Rear Channels
High-Pass (HP): 80Hz @ 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
Screw terminal barrier strip
Speaker Wire Gauge
8 AWG
Speaker Output Connector
Screw terminal 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)
2.40 x 7.67 x 17.09 (in)
6.10 x 19.49 x 43.40 (cm)
Shipping Weight
8 Lbs.
(3.63 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 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#:_______________________
Accessories
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8 AWG Complete Installation Kit

RFK8X
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Three Quarter Beauty Shot of Positive-Negative Battery Terminal

4 AWG Positive/Negative Battery Terminal

RFDB4
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Wiring Wizard

Available Wiring Diagrams

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

The below diagrams optimize the REAR CHANNELS of 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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