Amazon.com: 5 CORE 12" inch Full Range Subwoofer Car Audio Dual Cone Speakers Give High Powered Sound Quality, 23 oz Heavy Bass Premium DJ Subs RMS 75W Peak 1200W, 8 Ohms Woofer
Axton ATW16 16 CM Subwoofer 2 x 2 Ohm 75 Watt RMS Subwooferchassis | eBay
Blaupunkt GTb 8A 8" 75-watt powered subwoofer at Crutchfield
FENDER 8 ", 8 OHM, 75 WATT SPEAKER FOR ACOUSTASONIC Jr. ™ / SFX® 0994808003