The loudest, lowest, cleanest subwoofer in its class The EON618S is a powered portable PA subwoofer in the EON600 series from JBL Professional. Active 18-inch Subwoofer. It has been designed to deliver class leading … Free shipping. item 2 Mackie SRM-1850 1600W 18" Active Subwoofer 2 - Mackie SRM-1850 1600W 18" Active Subwoofer. The KS118 is a high output active subwoofer producing impressive low frequencies for mobile entertainment, AV rental, event production, and performance venues. ... Mackie SRM1850 1600W 18 inch Powered Subwoofer. $782.88. $999.99. A wide variety of 18 inch active subwoofer … Featuring an 18… 727 18 inch active subwoofer products are offered for sale by suppliers on Alibaba.com, of which professional audio, video & lighting accounts for 171%, speaker accounts for 64%, and subwoofers accounts for 8%. QSC KS118 18-Inch 3600 Watts Active Powered Subwoofer. 18 Reviews | Write your review Buy Online Rent / Buy Local Discontinuation Notice: The KW181 loudspeaker has been discontinued. item 6 New Mackie SRM1850 1600W 18" Powered Active Pro Subwoofer Sub … Suitable Active Subwoofer replacements … Last one +$12.50 shipping.