Seismic Audio - Shockwave-15 - Powered 15" Pro Audio/DJ Subwoofer Cabinet with Class D Amp 1000 Watts - Walmart.com
Amazon.com: Seismic Audio - Package - Two 18 Inch PA Subwoofers PRO Audio Band Speaker Cabinets Sub - Band, Bar, Wedding, Karaoke, DJ, 18" Cabs 1000 Watts RMS : Musical Instruments
Pair of SEISMIC AUDIO 18" PA POWERED SUBWOOFER Active Speakers 800 Watts Each | eBay