Monoprice Premium Select - Subwoofer - for home theater - 100 Watt - 8" - Walmart.com
BOSS Audio Systems P80DVC Phantom Series 8 Inch Car Audio Subwoofer - 100 Watts Max, Dual 4 Ohm Voice Coil, Sold Individually, For Truck, Boxes and Enclosures, Use With Amplifier - Walmart.com
Sound Ordnance B-8APR 100-watt powered enclosure with 8" subwoofer and 8" passive radiator at Crutchfield
Rockville ROCKBOX 6.5" 100w Rechargable Bluetooth Rugged Jobsite Speaker USB/SD
Amazon.com: PRV AUDIO 6.5 Inch Speakers Midbass Woofer 6MB200-4 v2 200 Watts Program Power, 4 Ohm, 100 Watts RMS, 1.5 in Voice Coil, Perfect for Small Custom Enclosures for Pro Car Audio