18 sound High Power 12-in Woofer Driver 8 Ohms - 12MB777 – Sweetheart Deals
Eighteen Sound 18 Sound Speaker 10W402 10 Inch Woofer Speaker NEW | eBay
Eighteen Sound 18NLW4000 - 18" Subwoofer
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
Eighteen Sound 15LW1401 - 15" 1,000 Watts AES High Power Woofer
18 Sound 18ID neodymium 18" subwoofer 3600W for vented & bandpass cabinet design | eBay
Celestion PowerProX18 18" Professional Subwoofer
18 Sound 18LW2600 18" Woofer 3000W 8-Ohm Designed For Use In Vented Enclosures | eBay
18 Sound 18ID200 18 in. Ipal Car Audio Subwoofer - Walmart.com