King 12" Subwoofer | Car Audio Equipment | American Bass
Polk Audio PSW10 10" Powered Subwoofer, 100W Peak Power, Compact Design, Easy Setup with Home Theater Systems Black PSW10 - Best Buy
Amazon.com: Massive Audio SUMMOXL124-12 Inch Car Audio Subwoofer, High Performance Subwoofer for Cars, Trucks, Jeeps - 12" Subwoofer 1500 Watt RMS, 3000w MAX Dual 4 Ohm, 3 Inch Voice Coil. Sold Individually : Electronics
Terminator 10" Series 4Ω Subwoofer | MTX - Serious About Sound®
Do I Need A Subwoofer In My Studio? - Vintage King