Roland Cube Street EX Battery-Powered Stereo Amplifier w/ onboard mixer

Battery-Powered Stereo Amplifier: Innovative Roland technology provides 50 watts of stereo power from eight AA-size batteries for portable performance
Selectable Power Modes: Optimize battery life for different performing situations with three modes (Max: 50 W/5 hours; Normal: 25 W/10 hours; Eco: 10 W/20 hours)
Portable Lightweight Design: Weighs only 7.4 kg/16 lb. 5 oz. with durable ABS injection-molded cabinet for easy transport
Four Independent Channels: Support a wide range of mics, instruments, and audio devices, with two XLR inputs for dual vocal performances
COSM Guitar Tones: Features electric guitar tones including Clean, Crunch, and Lead; preamp for acoustic guitar provides clean, natural sound