Amazon.com: Sound Town 18” 450W Raw Woofer Speaker with 4" Voice Coil, 100 oz Magnet, Replacement Woofer for PA/DJ Subwoofer, 4-ohm (STLF-1804-4) : Musical Instruments
Amazon.com: Seismic Audio - 18" Raw Subwoofer/Woofer/Speaker - PA DJ Pro Audio Replacement : Musical Instruments
Amazon.com: Seismic Audio - 18" Raw Subwoofer/Woofer/Speaker - PA DJ Pro Audio Replacement : Musical Instruments
Amazon.com: Seismic Audio - 18" Raw Subwoofer/Woofer/Speaker - PA DJ Pro Audio Replacement : Musical Instruments
Amazon.com: CELESTION FTR184080FD FTR Series 18-Inch 1000-Watt Subwoofer, Black : Musical Instruments