ZETHUS-M115SM3X4 | Line Array System w/ One 15" Sub, Four 6 x 3" PA Speakers, Black – Sound Town
NEW (2) 15" SUBWOOFER Speakers PAIR.Woofer Sub box.DJ.PA.BASS set Pro Audio.8ohm | eBay
Amazon.com: Sound Town METIS Series 15" 1600 Watts Powered Subwoofers with Speaker Outputs, DJ PA Pro Audio Sub with 4-inch Voice Coil (METIS-15SPW2.1) : Musical Instruments