Rockford Fosgate R500X1D 1 Channel Car Audio Amplifier

2xPockford Fosgates R500X 1D Prime mono Amplifier (1x $125) (2x $240)

Rockford Fosgate R500X1D Mono Car Audio Amplifier

Rockford Fosgate R2-500X1 Prime Series 500 Watt Class-D Car Mono Amplifier

Rockford Fosgate Prime Series R500-X1D 500W Mono Amplifier

Rockford Fosgate Prime R500X1D 1-Channel Class D Car Mono Amplifier

Rockford Fosgate R500X1D Prime 1 Channel Class D Car Amplifier

RFRB Rockford Fosgate R2-500X1 Prime Series 500 Watt Mono Subwoofer Amplifier