Description
Rockford Fosgate Prime R2-500X4
The R2‑500X4 is a 4‑channel full‑range amplifier from the Prime Series. Designed for both performance and versatility, it delivers a total of 500 watts RMS and features a Class‑D topology, which keeps it efficient so it doesn’t overburden your vehicle’s electrical system. It supports operation at 4 Ω or 2 Ω in stereo, or bridged/mono at 4 Ω. With crossover flexibility, high/low level inputs, C.L.E.A.N. gain setup, and robust protections, it’s built to power both speakers and subs in aftermarket or factory-upgraded systems.
Features
| Feature | Specification |
|---|---|
| RMS Power Output | 75 W × 4 @ 4 Ω |
| 125 W × 4 @ 2 Ω | |
| 250 W × 2 (bridged) @ 4 Ω | |
| Amplifier Type | Full-range Class-D – high efficiency |
| C.L.E.A.N. System | Gain setup with clip-LED indicators |
| Inputs / Outputs | High- and low-level inputs; 2/4 channel input switch; RCA pass-through outputs |
| Crossovers | Fully adjustable Butterworth HP/LP (Front & Rear, 50–250 Hz, 12 dB/octave) |
Specifications
| Specification | Details |
|---|---|
| Model | R2‑500X4 |
| Channels | 4 |
| RMS Power Output | 75W x 4 @ 4Ω · 125W x 4 @ 2Ω · 250W x 2 @ 4Ω bridged/mono |
| Total Power (Sum Rated) | 500 Watts RMS |
| Bridgeable | Yes — rear/front channels bridged for 2 higher‑power outputs |
| Frequency Response | 20 Hz – 20 kHz |
| Input Sensitivity | Low‑Level: 150 mV ‑ 4 V; High‑Level: 450 mV ‑ 12 V |
| Circuit Topology | Class‑D |
| Crossover Controls | HP & LP for front & rear: 50‑250 Hz @ 12 dB/octave Butterworth |
| Operating Voltage | 9‑16 V DC |
| THD + Noise | <1.0% |
| Recommended Fuse | 80 A |
| Power Wire Gauge | 4 AWG |
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