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
SLD-Series SD-2 10" 600W Shallow Mount Subwoofer – Sundown Audio
Power Acoustik 10" Powerful 600W RMS Shallow Car Subwoofer Loud Speaker, Black - Walmart.com
Flatlyne 12" 600W Subwoofer by Incriminator Audio® - SSA STORE