Rockford Fosgate R2-500X1 Mono Car Audio Amplifier

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

Rockford Fosgate R2-500X1 Mono 500W RMS Car Audio Amplifier

Rockford Fosgate R2-500X1 500W Mono Channel Car Amplifier

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

Infinity Reference REF-551a Mono Subwoofer Amplifier 550W RMS x1 @ 2 Ohms

KICKER CXA400.1 Mono Car Audio Power Amplifier 46CXA4001T Model CXA400.1

Rockford Fosgate Prime R500X1D 500 Watt Mono Class-D Subwoofer Amplifier