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
5 CORE Car Subwoofer Audio Speaker Pair - 8 inch 4 Ohm, 100 Watt Power,1” Voice Coil and Foam Surround for Vehicle Stereo Sound System 110mm Magnet Loudspeaker Woofer Replacement WF 8110G 2 PCS - Walmart.com
MartinLogan Installer 6-1/2" 100-Watt Passive 2-Way In-Ceiling Speaker (Each) White IC6ST - Best Buy
Sound Ordnance B-8APR 100-watt powered enclosure with 8" subwoofer and 8" passive radiator at Crutchfield
Amazon.com: PRV AUDIO 6MB200 v2 6.5 Inch Speakers Midbass Woofer 8 Ohm, 100 Watts RMS, 200 Watts Program Power, 93.5 dB 1.5 in Voice Coil for Small Custom Enclosures Pro Car Audio System (Single) : Musical Instruments
Goldwood Rubber Surround 8 in. Woofer 190-Watt 8 ohm Speaker GW-8028 - The Home Depot