Eighteen Sound 10M600 10" High Output Midrange Speakers - Pair - 18 So – Sweetheart Deals
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
Amazon.com: 18 Sound 12MB1000 12" Woofer/8OHMS/1200W - Set of 1, Black : Electronics
Eighteen Sound - Professional loudspeakers
Eighteen Sound 15MB700 - 15-Inch 400-Watt AES High Output Woofer