Yamaha STAGEPAS 600I Portable PA System with Yamaha Soft Rolling Case For Stagepas600I 680W portable PA system with full-featured 10-channel mixer iPod/iPhone dock lets you enjoy your music library while charging your device Two wide-response loudspeakers with 10 Built-in feedback suppression lets you eliminate offensive feedback with one button press Kit Includes 2 Rolling cases as required for stagepass 600i