World's First AA Battery-Powered Stereo Keyboard Amp! With the new KC-110 stereo keyboard amplifier, Roland adds another great amp to its lineup as well as another "World's First" title to its pedigree. The KC-110 is the first fully stereo, pro-quality keyboard amp that can be powered by eight AA batteries. Take this amp anywhere, plug in, and experience the rich, spatial sound that has become a Roland trademark. True Stereo Sound The KC-110 delivers pure, rich stereo sound with spatial projection that encircles the room. Its dual-power design (15W + 15W) enables brilliant stereo/multi-band chorus with "Wide" mode, plus gorgeous stereo reverb that will enhance any instrument or voice. A built-in tilt-back stand allows optimal placement and projection. Onboard Effects Enhance your instruments and voice with the KC-110's onboard high-quality digital effects. EQ, reverb, and chorus are provided, plus Wide mode for deep, dramatic stereo imaging. For hands-free operation on stage, the effects on/off can be activated with an optional footswitch. Versatile I/O Whether you need to amplify a single instrument or a trio, the KC-110 is built to handle a variety of situations. Three channels are provided, each with independent volume control. Channel 1 is a Mic/Line channel, with XLR and 1/4 inputs; channels 2 and 3 offer stereo line inputs. You can also connect an MP3/CD player to the AUX input for play-along practice or performance. Master stereo outputs are provided, as well as a headphone out.