Best Buy: Alpine Type-S 10" Dual Voice Coil 2-Ohm Subwoofer Black SWS-10D2
Alpine SWT-S10 10" (25CM) Bass Reflex Subwoofer Tube (4 ohms)+ Kenwood KAC5206 Stereo / Bridgeable Power Amplifier + Stinger SSK8 8Ga 600W Complete Wiring Kit and a Sound of Tri-State Lanyard -
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