Amazon.com: 18 Sound 12W750 1200W Ev Style 12" Woofer, Black : Electronics
Amazon.com: 18 Sound 12MB700 12" Woofer/8OHMS/900W - Set of 1, Black : Electronics
Eighteensound 18LW2400 8 Ohm – Thomann United States
18-in next generation high performance subwoofer, specifically designed for high SPL very low frequency applications in either a reflex, bandpass or horn loaded configuration - Walmart.com