Memphis Audio PRX500.4V2
Power Reference 500W 4-Channel Car Amplifier
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Memphis Audio PRX500.4V2 Power Reference 4‑Channel Amplifier
The PRX500.4V2 is a compact, efficient Class D amplifier that delivers 75 W RMS × 4 at 4 Ω or 125 W RMS × 4 at 2 Ω, with bridged mode offering 250 W RMS × 2 at 4 Ω. Featuring LED accent lighting, top-mounted adjustable filters, and a sleek aluminum chassis, it’s perfect for powering full-range speakers or mids in a tight installation.
| Key Features | |
|---|---|
| Power Ratings | 75 W × 4 @ 4 Ω • 125 W × 4 @ 2 Ω • 250 W × 2 bridged |
| Filters | Selectable HP/LP crossovers (50–250 Hz) |
| Bass Boost | 0–12 dB @ 45 Hz |
| Design | Compact Class D with LED-accented acrylic top & underside |
| Inputs | High/low-level inputs (200 mV–6 V), auto turn-on |
| Bridging | Channels 1/2 & 3/4 bridgeable at 4 Ω each |
| What’s in the Box |
|---|
| 1 × PRX500.4V2 amplifier |
| 1 × Owner’s manual |
| 1 × Performance certificate |
| 4 × Speaker-level to RCA adapters |
| Mounting hardware kit |
| Technical Specifications | |
|---|---|
| RMS Power | 75 W × 4 @ 4 Ω • 125 W × 4 @ 2 Ω • 250 W × 2 bridged @ 4 Ω |
| Freq. Response | 10 Hz–27 kHz |
| THD | <1% |
| Dimension | 8.6″ × 5.7″ × 2.16″ |
| Min Impedance | 2 Ω stereo / 4 Ω bridged |
| Fuse | 50 A (4 AWG wiring recommended) |
| Warranty | 1 Year |
FAQ
Do products purchased from San Diego Car Stereo come with a warranty?
Yes, all products come with a 1-year manufacturer warranty unless otherwise stated. This covers any defects excluding physical damage.
Are these products brand new?
Yes, every product we sell is 100% brand new, unused, and comes in original manufacturer packaging unless clearly marked otherwise.
Do you offer installation services?
Yes, we offer professional installation services at both of our San Diego Car Stereo locations. Our expert technicians have over 50 years of combined experience to install all of your car, marine, or offroad audio needs. Stop by or give us a call to schedule an appointment to get a quote in person.