Boss GT-100 Guitar Multi-Effects Pedal Advanced COSM amps that model vintage amp tones and delivers never-before-heard tonesImproved EZ Tone with graphical Tone Grid for constructing new patchesAMP Customize and OD/DS Customize lets you easily create original amps and overdrive/distortion by customizing their behaviorNewly developed ACCEL pedal for simultaneous control of multiple parameters2 LCD displays (132 x 64 dots, backlit LCD)MIDI connectors (in, out)44 effectsProgram memories: 400 (200 user + 200 preset)USB connector