Alpine KTA-200M SWT-12S4 Alpine KTA-200M Mono Power Pack Amp with Alpine SWT-12S4 12" Loaded Tube Subwoofer and Absolute TW500 Dome Tweeter and Electrical Tape and Mobile Bracket | Reverb
ALPINE SWT-S10 1200w 10" Car Subwoofer in Bass Tube Enclosure+7-Band Equalizer - Rockville Audio
Alpine SWT-S10 1200W Max Single 10" Sealed Subwoofer Tube Enclosure – absoluteusa
Alpine Type S 10 Subwoofer | Property Room
Best Buy: Alpine Type-S 10" Dual Voice Coil 2-Ohm Subwoofer Black SWS-10D2
Alpine S10 Dual Coil Subwoofer for Sale in Phoenix, AZ - OfferUp