Rockford Fosgate Prime R2-750X1 750 Watt Monoblock Amplifier
Key features
- Amplifier channels: 1
- RMS output at 4 ohms: 250.0 W
- RMS output at 2 ohms: 500 W
- RMS output at 1 ohm: 750 W
Rockford Fosgate Prime R2-750X1 750 Watt Monoblock Amplifier is backordered and will ship as soon as it is back in stock.
Rockford Fosgate Prime R2-750X1 750 Watt Monoblock Amplifier is backordered and will ship as soon as it is back in stock.
Description
Description
Product Overview
The Rockford Fosgate Prime R2-750X1 is a 750-watt monoblock car amplifier for powering a subwoofer or dedicated bass channel. Its Class-D design, flexible inputs, and adjustable filters help you tailor the system to your audio setup.
Connect it to a factory or aftermarket head unit, then use the top-mounted controls and included remote level control to make adjustments after installation.
Key Features & Benefits
- Three RMS power ratings: Choose output matched to a 4Ω, 2Ω, or 1Ω load.
- Flexible inputs: High-level input capability and balanced differential inputs support factory or aftermarket head units.
- Adjustable bass tuning: PUNCH EQ provides continuously adjustable bass boost up to +18 dB at 45 Hz.
- Remote level control: The included RLC lets you adjust output level from a remote location.
- Signal pass-through: RCA pass-through outputs let you send signal to additional amplifiers or processors.
- Protection and status indicators: Short-circuit and over-current protection, rollback protection, and status LEDs help you monitor operation.
Technical Specifications
| Amplifier type | Monoblock |
|---|---|
| Channel | 1 |
| Power output (RMS) | 250W x 1 @ 4Ω; 500W x 1 @ 2Ω; 750W x 1 @ 1Ω |
| Topology | Class-D |
| Compliance | CEA-2006 Compliant; CE Compliant |
| Cooling | Cast aluminum heatsink; convection cooling |
| Controls and setup | Top-mounted control panel; PUNCH EQ; C.L.E.A.N. Setup |
| Bass boost | Continuously adjustable up to +18 dB at 45 Hz |
| Crossovers | 12 dB/Octave Butterworth high-pass and low-pass filters; low-pass range: 50–250 Hz |
| Infrasonic filter | 15–40 Hz @ 12 dB/octave |
| Inputs | High-level input capable; balanced differential inputs |
| Outputs | RCA pass-through outputs |
| Remote level control | RLC remote level control included |
| Auto-sense | Auto-Sense Bypass (RAP) for vehicles with Retained Accessory Power systems |
| Protection and indicators | Short-circuit and over-current protection; rollback protection; POWER/PROTECT and C.L.E.A.N. IN/OUT LEDs |
| Operating voltage | 9–16 V DC |
| Recommended fuse | 120 A |
| Power/current draw | Average 13.8V during music playback; max current draw listed as 71 A |
| 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 |
| Warranty | 1 Year |
Why Choose This Product?
The R2-750X1 gives you several RMS output options, so you can select the rating that matches your subwoofer load. Its Class-D topology and cast aluminum heatsink combine efficient operation with convection cooling.
Use the adjustable filters and infrasonic control to shape the bass signal for your system. C.L.E.A.N. setup features and indicator lights provide useful reference points while setting up and checking the amplifier.
Installation & Compatibility Notes
Confirm that your subwoofer load matches one of the amplifier’s listed ratings: 4Ω, 2Ω, or 1Ω. Check that your vehicle’s electrical system operates within the 9–16 V DC range and account for the recommended 120 A fuse and listed current draw during installation.
The amplifier supports high-level input and balanced differential inputs for factory or aftermarket head units. Its Auto-Sense Bypass (RAP) is intended for vehicles with Retained Accessory Power systems. Check available mounting space against the listed dimensions before installation.
Frequently Asked Questions
How much RMS power does the R2-750X1 produce?
It is rated at 250W x 1 at 4Ω, 500W x 1 at 2Ω, and 750W x 1 at 1Ω.
Can I connect it to a factory head unit?
It is high-level input capable and has balanced differential inputs for factory or aftermarket head units.
What filters can I adjust?
It has 12 dB/Octave Butterworth high-pass and low-pass filters. The low-pass range is 50–250 Hz, and the infrasonic filter is adjustable from 15–40 Hz at 12 dB/octave.
Does the amplifier include a remote level control?
Yes. An RLC remote level control is included for adjusting output level remotely.
What are its dimensions?
It measures 1.9" high x 6.8" wide x 10.1" deep, or 4.9 cm x 17.3 cm x 25.5 cm.
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