Sky High Car Audio 6.5" FXB Series Subwoofer 400 Watts Rms 4 Ohm Car Audio Sub

Sky High Car Audio 8" FE Series Subwoofer 400 Watts Rms 4 Ohm Car Audio Sub

PRV Audio 8" Car Subwoofer 500 Watts RMS Dual 4 Ohm RS8-SUBD4 High Excursion

Sky High Car Audio 8" FE Series Subwoofer 400 Watts Rms 2 Ohm Car Audio Sub

Sundown Audio 500watts RMS Dual 4 Ohm VC E Series V.4 12" Subwoofer E-V.4-12-D4

Sky High Car Audio 8" FXB Series Subwoofer 500 Watts Rms 2 Ohm Car Audio Sub

Sky High Car Audio 8" BMX Series Subwoofer 500 Watts Rms 1 Ohm Car Audio Sub

FIERCE 8 | 8 Inch 400 Watts RMS / 800w MAX - Dual 4 Ohm Car Subwoofer