BOSS Audio Systems BE8D Elite Series 8 Inch Car Audio Subwoofer - 600 Watts Max, Dual 4 Ohm Voice Coil, For Truck Boxes and Enclosures, Hook Up To Amplifier
DD AUDIO RL-SE12a-S1 12" 600W SUBWOOFER ENCLOSURE CAR SPEAKER BASS SLANT BOX NEW | eBay
NVX 600W RMS Dual 2-Ohm 12" Subwoofer - SSA STORE
BPKG112v2 | 600W Peak Single 12" Loaded Ported Subwoofer Package with – Belva