Check the listing for details. JBL EON ONE COMPACT Battery-Powered All-In-One PA System With 4-channel mixer. Condition: New. Listed at 649.00 USD. The JBL EON ONE Compact battery-powered PA system delivers professional sound in a portable package. Despite its small size, it features a versatile 4-channel mixer and Bluetooth control. The days of sacrificing sound system power and performance for portability are over. The EON ONE powered speaker system represents JBL’s most compact battery-powered PA. It weighs in at just 17.6 lb., so it’s easy to transport to gigs. Sound your best in seconds with premium Lexicon and dbx-inspired effects and presets that you can customize right on your phone or tablet using the JBL Compact Control app—no engineer needed.