CMI JBL Professional Australia - Bluetooth pairing with the JBL Professional EON612 speakers lets you remote control the volume and EQ parameters. Simply download the EON Connect app for your compatible device
User manual JBL EON615 (English - 26 pages)
JBL Professional EON 600 Loudspeakers Tips & Tricks with the EON Connect App - YouTube
2) JBL EON615 15" 2000 Watt Powered DJ PA Speakers w/Bluetooth+Stands+Cables+Bag - Walmart.com