Sundown Audio Xv3 18 inch Dual 2 ohm Subwoofer X Series(2000 watts) – Droppin HZ Car Audio
SLAPZ Car Audio Oblivion D4 15” Subwoofer 2000 rms 4000 max 4” voice c – SLAPZ car audio
Amazon.com: 1x SoundXtreme ST-412 Premium Elite 12 Inch Car Audio Subwoofer 2000 Watts Max Power Dual 4 Ohm Voice Coil High Power Bass Surround Sound 12" Sub Speaker System : Electronics