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Prime 500 Watt Mono Amplifier R500-1

Prime 500 Watt Mono Amplifier R500-1

The PRIME R500-1 is a monstrous mono amplifier can pump out a whopping 500 Watts into a 2-Ohm subwoofer load. The frequency response of the R500-1 allows it to be used exclusively with subwoofers.

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Rockford Fosgate amplification at an unbelievable value. The R500-1 mono 500 watt amp pumps out audio into a 2-ohm load, perfect for a pair of R2D2-10 10" or R2D2-12 12" woofers. Check out our Subwoofer Wiring Diagrams to get the most out of your car or truck amplifier.

  • 12dB/octave Butterworth crossover
  • 4 Gauge power/ground connections with built-in ATC fusing
  • MOSFET power supply
  • RCA pass-thru outputs
  • 1 Year Warranty
CEA-2006 Compliant
CEA-2006 Compliant

Power ratings on Rockford Fosgate amplifiers conform to CEA-2006 industry standards. These guidelines mean your amplifier's ...


Power supply and output design that allows the amplifier to increase power output as voltage increases.

Class A/B
Class A/B

An amplifier topology with the best of both worlds; a Class A preamp and Class B ...

CEA-2006 Compliant
CEA-2006 Guidelines
Number of Channels
Rated Power
(RMS Continuous Power)
320 Watts x 1 @ 4-Ohm
500 Watts x 1 @ 2-Ohm
Total Power
(Sum of Rated Power)
500 Watts RMS
Dynamic Power
Efficiency (average)
67% @ 4-Ohm
58% @ 2-Ohm
Crossover Controls
Low Pass (LP): 40Hz-130Hz @ 12dB/octave Butterworth
Tone Controls
Punch Bass: 0dB to +12dB @ 45Hz
Signal Input
Low Level: 1 RCA pair
Signal Output
Low Level: 1 RCA pair
Power Input Connector
Screw terminal barrier strip
Power Wire Gauge
Speaker Output Connector
Screw terminal barrier strip
Speaker Wire Gauge
Heat Sink Type
Extruded Aluminum
Remote Controls
Punch Level Control
(when connected, is linked to "gain control" to provide remote output level)
Visual Indicators
Circuit Topology Class
Class A/B
Frequency Response
20Hz to 250Hz +/-1dB
Dimensions (H x W x D)
2.40 x 7.67 x 16.65 (in)
6.10 x 19.49 x 42.30 (cm)
Shipping Weight
7.4 Lbs.
(3.35 Kg.)
Dimensional Diagram

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.

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