Prime 500 Watt Mono AmplifierR2-500X1


Primed for Performance, the R2-500X1 is a 500 watt, class-D amplifier capable of operating at 4Ω or 2Ω mono. This amplifier is extremely efficient because of its Class-D technology which reduces demand on the vehicles electrical system. The amp also features C.L.E.A.N. circuitry to help you adjust your gain settings, a P.O.W.E.R. supply that generates more power as voltage increases, and integrated Punch EQ that corrects for acoustic deficiencies while delivering up to 3X the bass. Perfect for subwoofers, a variable infrasonic filter and remote level control allows you to tune the bass for the desired level for the music.


Number of Channels


Total Power
(Sum of Rated Power)

500 Watts

Rated Power
(RMS Continuous Power)

300 Watts x 1 @ 4Ω
500 Watts x 1 @ 2Ω

Dynamic Power

350 Watts x 1 @ 4Ω
590 Watts x 1 @ 2Ω



Frequency Response

20 Hz - 250 Hz

Input Sensitivity

Low-Level: 150 mV - 4 V
High-Level: 450 mV - 12 V

Circuit Topology Class


Efficiency (average)

Total Harmonic Distortion (THD+Noise)

4Ω: <1.0%
2Ω: <1.0%

Signal Input

Low-Level: 2 RCA
High-Level: 4-Pin Molex

Signal Output

Low-Level: 2 RCA
(Pass-Thru active with RCA or Hi-Level input)

Tone Controls

0 to +18 dB @ 45 Hz

Crossover Controls

50 Hz - 250 Hz @ 12dB/Octave Butterworth

15 Hz - 40 Hz @ 12dB/Octave Butterworth

Rockford Fosgate R2-500X1 Car Amplifier

SKU: 987625-1