Harmony HA-P15WS8 Replacement 15" PA Speaker 8 Ohm Woofer Compatible with JBL JRX215 : Musical Instruments - Amazon.com
JBL/Selenium 12MB3P 12” Woofer for MidBass 1000 Watts | eBay
Amazon.com: 5 CORE 15 inch Subwoofer Replacement PRO DJ Speaker Sub Woofer Loudspeaker Wide Full Range Loud Aluminum Frame 2200W PMPO, Magnet 90oz 8Ω 15-185 17 AL : Electronics
JBL COPY 15 INCH SPEAKERS SOUND QUALITY. - YouTube