Roland Authorized Dealer - N030273Y Rich, deep, stereo sound to go introducing the AC-33, the world"s first AA battery-powered amp made specifically for acoustic guitar. Portable yet powerful, the AC-33 provides true stereo sound, Guitar and Mic/Line channels, custom-tailored effects, anti-feedback, and a Phrase Looper. But this amp was made to go places no amp has gone before. Thanks to its battery-power capability, the AC-33 lets you take your act anywhere into the backwoods, onto the streets, or wherever your imagination leads you. Phrase Looper with 40 seconds of record time Stereo AUX input (connect MP3/CD players, etc), headphone output Anti-feedback function Built-in tilt-back stand Removable battery cartridge for easy battery replacement