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
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
JBL BassPro Go Powered subwoofer (100-watt RMS amplifier) and built-in portable Bluetooth® speaker at Crutchfield
Sound Ordnance B-8APR 100-watt powered enclosure with 8" subwoofer and 8" passive radiator at Crutchfield
Goldwood Rubber Surround 8 in. Woofer 190-Watt 8 ohm Speaker GW-8028 - The Home Depot
5 Core WF-8110G-4-PCS Car Subwoofer Audio Speaker Pair - 8 inch 4 Ohm 100 Watt Power 1” Voice Coil 110mm Magnet Woofer Replacement WF 8110G 2 PCS
Aiyima 1pcs 6.5 Inch Audio Sound Speaker Woofer Music Loudspeaker 4 8 Ohm 100 W Bass Speakers Diy For Home Theater Sound System - Speakers - AliExpress
Ghxamp 7 Inch Subwoofer Speaker Unit 4ohm 100w Super Bass Dual Magnetic Long Stroke 188mm Louspeakers Wide Rubber Edge 1pc - Speakers - AliExpress
NEW 4" inch Super Mini Woofer Speaker Driver 4 ohm 100 watts | eBay
HiFi 4" inch 100W Subwoofer Speaker Unit Bass Loudspeaker for Home Audio System | eBay
Energy ES-8 SUBWOOFER 8" Woofer 100 W/RM Energy ES-8 SUBWOOFER 8" Woofer 100 W/RMS Bass Reflex Made In Canada. Tested!! | Reverb