Amazon.com: Behringer Eurolive VQ1800D High-Performance Active 500-Watt 18in PA Subwoofer with Stereo Crossover, with Excellines 20' XLR (M) to (F) Lo-z Mic Cable, On-Stage Adjustable Subwoofer Attachment Shaft : 樂器
Behringer DR18SUB 2400W 18 inch Powered Subwoofer | Sweetwater