R2-750X1

The Rockford Fosgate R2-750X1 is a high-performance 1-channel Class D amplifier from the Prime Series, designed specifically to drive subwoofers with power and precision. With up to 750 watts RMS at 1 ohm, this compact mono amplifier offers ample power reserves for demanding car audio bass systems.

Thanks to its efficient Class D technology, the R2-750X1 delivers high output power with minimal heat generation. The built-in C.L.E.A.N. system makes it easy to set the input sensitivity correctly and helps prevent signal distortion. The variable low-pass filter, the infrasonic filter, and the built-in Punch EQ allow you to customize bass reproduction to suit your subwoofer and vehicle.

The power amplifier features RCA and high-level inputs for integration into aftermarket and factory-installed audio systems. A wired bass remote control allows for convenient level adjustment directly from the driver's seat. The rugged aluminum housing, comprehensive protection circuits, and 1-ohm stability make the R2-750X1 a versatile solution for high-power subwoofer installations.

Technical Specifications

General Characteristics

• Model: Rockford Fosgate R2-750X1

• Series: Prime R2

• Amplifier Type: Monoblock / Mono Power Amplifier

• Amplifier Class: Class D

• Number of channels: 1

• Maximum RMS power rating: 750 watts

• Minimum impedance: 1 ohm

• Bridgeable: No

• CTA-2006-compliant performance specifications

• C.L.E.A.N. System for Input Signal and Output Monitoring

• Rollback protection for power adjustment under critical operating conditions

• Aluminum heat sink with passive cooling
  
  

RMS power at 14.4 volts

• 1 × 250 watts RMS at 4 ohms

• 1 × 500 watts RMS at 2 ohms

• 1 × 750 watts RMS at 1 ohm
  
  

Dynamic Power (PowerCube)

• 1 × 300 watts at 4 ohms

• 1 × 545 watts into 2 ohms

• 1 × 830 watts into 1 ohm
  
  

Audio Properties and Filters

• Frequency response: 20–250 Hz

• Low-pass filter: 50–250 Hz, continuously adjustable

• Infrasonic/Subsonic Filter: 15–40 Hz, continuously adjustable

• Filter slope: 12 dB/octave

• Filter characteristic: Butterworth

• Punch EQ Bass Boost: 0 to +18 dB at 45 Hz

• Total Harmonic Distortion plus Noise (THD+N): less than 1.0% at 4, 2, and 1 ohms

• RCA Input Sensitivity (Low Level): 150 mV – 4 V

• High-Level Input Sensitivity: 450 mV – 12 V
  
  

Connections and Features

• 2 × RCA inputs

• 2 × RCA Outputs (RCA Pass-Through)

• High-level input via 4-pin Molex connector

• Automatic power-on function via a high-level signal

• Connector for wired bass remote control

• Variable Input Sensitivity (Gain)

• Power/Protect Status Indicator

• C.L.E.A.N. Input and Output Displays

• Short-Circuit and Overcurrent Protection

• Screw/Terminal Connections for Power Supply and Speakers
  
  

Power Supply and Dimensions

• Operating voltage: 9–16 volts DC

• Recommended external fuse rating: 120 A

• Maximum current draw at 13.8 V (sine wave): 71 A

• Recommended wire gauge: 4 AWG / approx. 21 mm²

• Speaker connection: up to 8 AWG / approx. 8.4 mm²

• Dimensions (L × W × H): 255 × 173 × 49 mm
  
  

What's Included

• 1 × Rockford Fosgate R2-750X1 monoblock amplifier

• 1 × Wired Bass Remote Control (RLC)

• 1 × Connection cable for subwoofer remote control

• 1 × Mounting hardware / mounting screws

• 1 × User and Installation Manual

• Product Documentation