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

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

Infinity Kappa One 6 Mono subwoofer amplifier — 600 watts RMS x 1 at 2 ohms

AudioControl EPIC500 EPIC Series mono subwoofer amplifier — 500 watts RMS x 1

Infinity REF-4555A Reference 5-Channel, 45w X 4, 500w X1 Amplifier

Kicker CXA600.1 600-Watts RMS x 1 at 2 Ohms Mono Subwoofer Car Audio Amplifier

Infinity Kappa One K Mono subwoofer amplifier — 1,000 watts RMS x 1 at 2 ohms

Infinity reference series 310a car audio subwoofer amplifier 347 watts peak mono