LX218 Dual 18" Long Excursion Big Bass PA Subwoofer - Buy PA subwoofer, big bass subwoofer, Long Excursion Subwoofer Product on Sanway Professional Audio Equipment Co., Ltd.
SRX828SP Powered Dual 18" Subwoofer
Buy RCF V 218-S Passive Bass Reflex Subwoofer | Sam Ash Music
JBL SRX928S Dual 18" Powered Subwoofer | Guitar Center