Roland KC-220 Overview The KC-220 Battery Powered Stereo Keyboard Amplifier from Roland features 30W of power, two 6.5" speakers, three 1/4" input channels, and support for an XLR vocal mic. Paired with a section for battery operation, the KC-220 can be used by today's working musician in sound reinforcement to amplify 88-note stage pianos, organs, synthesizers, rhythm machines, and other electronic instruments. DSP effects make it easy to enhance your sound with the KC-220. Normal and wide stereo chorus and stereo reverb are available for vocals and instruments. There is an optional footswitch (sold separately) to turn effects on and off for hands-free operation. In addition, the keyboard amp is equipped with a dedicated auxiliary channel with 1/8" and RCA inputs for connecting smartphones, music players, and other devices. The KC-220 is built with mono/stereo line outputs. This allows you to interface with PA systems, stage monitors, or recording devices. Plugging into the phones jack across the top of the unit, will mute the onboard speakers. This is suitable for private practice sessions and checking sounds on stage with headphones. Also included is an AC adapter and an AC cord. Full-Range Sound for Keyboards and Electronic Musical Instruments The KC-220 features 30W of power, two newly designed 6.5" speakers with two custom designed tweeters. Paired with a power section optimized for efficient battery operation, the KC-220 reproduces a wide frequency range for 88-note stage pianos, organs, synthesizers, as well as rhythm machines, and other electronic instruments. Stereo Effects and EQ The KC-220's DSP effects offer normal and wide stereo chorus effects. They provide lush-stereo reverbs for vocals and instruments. Effects can be controlled with an optional footswitch. The KC-220 also includes high and low EQ for shaping the overall sound to suit the venue. Onboard 3+1 Mixing Compact and convenient, the KC-220 is a complete stereo mixing system. There are three 1/4" line-input channels that support keyboards, drum machines, and other electronic instruments. Channel 1 is equipped with an XLR input for a vocal mic. There is also a dedicated auxiliary channel as well with 1/8" and RCA inputs for connecting smartphones, music players, and other devices. Versatile Connectivity Built with mono/stereo line outputs, the KC-220 allows you to interface with PA systems, stage monitors, or recording devices. Plugging into the phones jack mutes the onboard speakers, and is suitable for private practice sessions and checking sounds on stage with headphones.