555-10325 - Multicomp Pro - 18" PA / DJ Speaker, Subwoofer, 1000W
One unit (not pair) |18 Inch Woofer for Bass Compensation of Open Baffle or Cabinet | W-18 - Lii Song (Lii Audio), unique speaker, amplfier, quality and cost-saving parts for HiFi DIY
18SW2400 - PRV Audio
18" Lo Max® Subwoofer - Peavey Electronics Corporation
STLF-18200A | 18" Cast Aluminum Frame High-Power Raw Woofer Speaker, 8 – Sound Town