Bring high-quality sound anywhere for any application with Roland's MOBILE CUBE. This pint-sized, battery powered marvel produces 5W of stereo sound combined with Roland's legendary FX engine. Multiple input options includes guitar, keyboard, microphone, or even portable media player. Practice singing or soloing with the center cancel feature which essentially removes the vocals or solos from any given track being played through the 3.5mm or stereo RCA input.