Boss JS-10

controls for input signal, recording function, USB, headphone out, bass and microphon, line out, DSP Chip with effects and amps form the Boss GT-100, 2x jack inputs for guitar, 2.1-chanel sound system with subwoofer, guitar and bass preamp, master volume control, 1x Aux-in, 350 built-in audioloops (50 new songs), connection for expression pedal, tempo/key-shift function