Audison SR Series SR 1.500 1000W Mono Amplifier with VCR-S1 Sub Volume Remote Control and a Hertz Dieci Series DBX 30.3 12" Woofer in a Sealed Box - Creative Audio
Hertz DS 30.3 Dieci Series 12" 4-ohm component subwoofer at Crutchfield
Hertz DBX 30.3 subwoofer test - YouTube
Hertz DS 30.3 Dieci Series 12" 4-ohm component subwoofer at Crutchfield