Rockville DV12K6D1 Dual 12" 4800w Car Subwoofers in Plexi Sub Box+Amp+Wire Kit - Rockville Audio
H6TE12SV - 400W 12" Subwoofer and Amplifier Kit Compact box with ventilation - Cerwin Vega
belva 1000 watt complete car subwoofer package includes two (2) 10-inch subwoofers in ported box, monoblock amplifier, amp wire kit - Newegg.com
Amazon.com: BOSS Audio Systems MTX TNP212D2 12 Inch 1200W Dual Car Subwoofer Audio, Sub Box, and Amplifier Bundle KIT2 Amplifier Installation Wiring Kit : Electronics
Mtx Audio Rt8pt 8" 240w Car Subwoofer Enclosure Amplified Tube Box Vented With Boss Audio Systems Kit2 8 Gauge Car Amplifier Installation Wiring Kit : Target