2 Goldwood GW-204/8S Shielded 10cm Woofers 140 Watt 8ohm Replacement Subwoofer Speakers GW-204/8S-2 by Goldwood - Shop Online for Electronics in the United States
Amazon.com: 10 Inch Car Subwoofer Speaker - 500 Watt High Powered Car Audio Sound Component Speaker System w/ 2 Inch High-Temperature Kapton Voice Coil, 85.6 dB, 8 Ohm, 60 oz Magnet - Pyramid PW1048USX : Electronics
Amazon.com: PRV Audio 6MB300SEAL 6-1/2 Sealed Back Midbass Midrange Woofer 8 Ohm by PRV Audio : Electronics
Amazon.com: 10 Inch Car Subwoofer Speaker - 300 Watt High Powered Car Audio Sound Component Speaker System w/ 1.5 Inch Kapton Bobbin Voice Coil, 8 Ohm, 25 oz Magnet, Cloth Edge Suspension - Pyramid WH10
Goldwood Shielded 4 in. Woofer 70-Watt 8 ohm Replacement Speaker-GW-204/8S - The Home Depot
Amazon.com: 10 inch speaker
MESO-8 - 1600 Watt Max 8 Inch Car Subwoofer - CT Sounds