Rich, deep, stereo sound to go ?Çö introducing the AC-33, the world?ÇÖs first 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.Features:  30 watts (15W+15W) of natural, stereo acoustic sound through twin speakersRuns on AC power or eight AA batteries (accepts rechargeable NiMH types)Dual-channel configuration: Guitar and Mic/Line channelReverb, chorus, and ambience effects (Ambience adds spatial, 3D-type depth to the sound)Phrase Looper with 40 seconds of record timeStereo AUX input (connect MP3/CD players, etc), headphone outputAnti-feedback functionBuilt-in tilt-back standRemovable battery cartridge for easy battery replacementRosewood Finish??Warning: This Product can expose you to chemicals including DEHP which is known to the state of California to cause cancer and birth defects or other reproductive harm. For more information go to .