POLK AUDIO HTS 10 SUBWOOFER AMPLIFIER ORIGINAL OEM (*AMP ONLY!)

Velodyne Impact 10 BG Subwoofer

Pioneer SW-8MK2 Powered Subwoofer Amplifier Plate Replacement

Onkyo SKW-450 Subwoofer AMP AMPLIFIER ONLY WORK GREAT SEE PICS NO AC TRANSFORMER

Infinity BU-1 Powered Subwoofer

Infinity PS-8 Powered Subwoofer Bass Sub Home Theater 8" Woofer Crossover Dolby

Infinity BU-1 Active Powered Down Firing Subwoofer 8" Woofer Tested

Kenwood SW-32ht Subwoofer Amplifier