Prime 300 Watt 4-Channel Amplifier R2-300X4

Amplifier Front View
Components Included with Amplifier
Amplifier Input and Output Side View
Amplifier Three Quarter Beauty Shot

Prime 300 Watt 4-Channel Amplifier R2-300X4

Primed for Performance, the R2-300X4 is a 300 watt, full-range Class-D amplifier capable of operating at 4Ω or 2Ω stereo and 4Ω bridged/mono. This amplifier is extremely efficient because of its Class-D technology which reduces demand on the vehicles electrical system. The amp also features C.L.E.A.N. circuitry to help you adjust your gain settings, a P.O.W.E.R. supply that generates more power as voltage increases.

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Overview

The R2 models are developed for car audio fanatics that want a reliable amplifier – with all the power and performance you’ve come to expect from Rockford Fosgate – at an economical price. Rockford Fosgate amplifiers are renowned world-wide for being “under rated,” easily surpassing all specifications, and most importantly, generating more power than their ratings. These 3rd generation of Prime Series amplifiers are refined with the latest Rockford Fosgate technology for easy setup and configuration, making them perfect for use with factory audio or custom aftermarket systems.

FEATURES AT A GLANCE

  • Balanced Differential Inputs with RCA Pass Through Outputs
  • High Level Input Capable
  • 2/4 Channel Input Selection Switch
  • Auto-Sense bypass switch for vehicles with RAP (Retained Accessory Power)
  • Features C.L.E.A.N. Set-up
  • Front and Rear Variable Input Gain adjustment level
  • Top Mounted Control Panel
  • Short Circuit & Over Current Protection
  • CEA-2006 Compliant & CE Compliant
  • Full Range Class-D
  • Cast aluminum heat sink
  • Fully Adjustable 12 dB/octave High and Low pass Butterworth Crossovers
  • 1 Year Warranty
Videos
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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Full Range Class-D

A full-range version of the Class-D topology which is a high efficiency amplifier design that reduces ...

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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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C.L.E.A.N. Set-Up

C.L.E.A.N. (Calibrated Level Eliminates Audible Noise) is a patented circuit with in/out clip LEDs to help ...

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Balanced Differential Inputs

Differential inputs eliminate noise picked up by signal cables.

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MEHSA 4 (Maximum Efficiency Heat Sink Application)

MEHSA4 reduces MOSFET temperatures, lowers distortion, increases durability and prolongs the output device life span.

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NOMAD

NOMAD is a "real time" analog computer that protects your amplifier from shorting speaker wires and ...

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CE Compliant

This product fulfills all essential safety and environmental requirements as defined in the European Directives (768/2008 ...

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Specifications
Cta-2006 Compliant
Number of Channels
4
Total Power
(Sum of Rated Power)
300 Watts
Rated Power
(RMS Continuous Power)
50 Watts x 4 @ 4Ω
75 Watts x 4 @ 2Ω
150 Watts x 2 @ 4Ω Bridged/Mono
Dynamic Power
(PVC/PowerCube®)
70 Watts x 4 @ 4Ω
115 Watts x 4 @ 2Ω
230 Watts x 2 @ 4Ω Bridged/Mono
Bridgeable
Yes
Frequency Response
20 Hz - 20 kHz
Input Sensitivity
Low-Level: 150 mV - 4 V
High-Level: 450 mV - 12 V
Circuit Topology Class
Class-D
Efficiency (average)
Total Harmonic Distortion (THD+Noise)
4Ω: <1.0%
2Ω: <1.0%
Signal Input
Front Low-Level: 4 RCA
Front High-Level: 4-Pin Molex
Rear Low-Level: 4 RCA
Rear High-Level: 4-Pin Molex

Input Switch: 2/4 Input
(works for RCA/hi-level inputs)
Signal Output
Low-Level: 2 RCA
(Pass-Thru active with RCA or Hi-Level input)
Tone Controls
No
Crossover Controls
Front High-Pass:
50 Hz - 250 Hz @ 12dB/Octave Butterworth

Front Low-Pass:
50 Hz - 250 Hz @ 12dB/Octave Butterworth

Rear High-Pass:
50 Hz - 250 Hz @ 12dB/Octave Butterworth

Rear Low-Pass:
50 Hz - 250 Hz @ 12dB/Octave Butterworth

All-Pass: Yes
Remote Controls
No
Visual Indicators
Power/Protect
C.L.E.A.N. In
C.L.E.A.N. Out (front)
C.L.E.A.N. Out (rear)
Power Wire Gauge
4 AWG
Power Input Connector
Compression Terminal Block
Speaker Wire Gauge
8 AWG
Speaker Output Connector
Compression Terminal Block
Cooling
Convection
Heatsink
Operating Voltage
9 - 16 VDC
Recommended Fuse
(not included)
60 A
Average Current Draw (13.8V Music)
Max. Current Draw (13.8V Sinewave)
39 A
Suggested Alternator
Included In The Box
Dimensions (H x W x D)
1.9" x 6.8" x 10.1"
(4.9 cm x 17.3 cm x 25.5 cm)
Shipping Weight
Compatibility
Support

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.


Accessories Wiring Wizard

Available Wiring Diagrams

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

When running subwoofers, the below diagrams produce optimum power when bridging rear channels into a 4-ohm 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

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

Wiring Kits

ARE YOU ENGINEERED TO ROCK?

Get a 1-Year extended amplifier warranty when using a matching Rockford Fosgate installation kit.

We want you to get the maximum performance and reliability from your Rockford Fosgate amplifier. We're so certain using the right cables make a difference, we'll give you and additional 1-Year amplifier warranty when using a matching installation kit!

  • 1 Purchase a Rockford Fosgate Punch or Power amplifier.
  • 2 Add the correct amplifier installation kit.
  • 3 Get an additional 1 year amplifier warranty FREE!

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