Amazon.com: Yamaha Audio 10" 100W Powered Subwoofer - Black (NS-SW100BL)
Best Buy: Polk Audio PSW108 10" Powered Subwoofer, 100W Peak Power, Explosive Performance for Movies & Music Black PSW108
Amazon.com: Oval Mid Bass Woofer Sound Speaker System Loud Range 100W Power 3 Ohm Impedance and 0.05-2kHz Frequency Woofer Subwoofer : Electronics
5 CORE 8" Full Range Subwoofer Audio Speakers, RMS 100W Peak 1000W, 4 Ohm Car Vehicle Audio Full Range Drivers, Wide… | Subwoofer, Dj speakers, Car audio subwoofers
6.5 Inch Subwoofer Speakers Home Theater Car Audio High Power 4 Ohm 100W Hifi Fever Woofer Loudspeaker For Sound System - Newegg.com
Polk Monitor MXT12 Black 12” 100W Powered Subwoofer