Kicker 43C124 Subwoofer 10" 150w - 4Ohm Sub - No Box

KENWOOD KFC-XW100 Car Audio Subwoofer 300W - 4ohm - 10" In Ported Box

Kicker Car Audio Subwoofer S15L5 750W - 2ohm or 4ohm - 15" 

Kicker Car Audio Subwoofer BassStation 10" Sub w/ Built in Amp & Harness 

Alpine Car Audio Subwoofer X-W12D4 900W - 2ohm or 8ohm - Dual 12" In Box (Condition On Box) 

Alpine Car Audio Subwoofer R2-SB12V 750W - 2ohm - 12" In Box 

Kenwood Car Audio Subwoofer P-XW1221SHP 500W - 2ohm - 12" In Box

Audiofrog Car Audio Subwoofer G12D2 600W - Dual 2ohm - 12" In Box 

Alpine Car Audio Subwoofer S2-W10D4 600W - 4ohm - 10" In Box 

RE Audio Car Audio Subwoofer REX 8 200W - 4ohm - Dual 8" In Homemade Box 

Kicker Car Audio Subwoofer 43C104 300W - 4ohm - 10" In Box

Car Audio Subwoofer Arc Audio X2 10 10" Sub In Cardboard Box