Line 6 Bass PODxt Live Over 50 Stompbox and Studio Effects, 28 Legendary and Classic Amp Models, 22 Cab & 4 Mic models, 64 Channel Memories Discrete Processed & DI 1/4-inch Outs, Biamp output mode with selectable crossover, Variax Digital Input, Routing Options Built-in Chromatic Tuner, Combination Wah/Volume/Tweak Pedal, Tap Tempo/Tuner Switch, Expression Pedal Input Aux Input for CD/MP3 players, drum machines, etc., Full MIDI Support, Headphone Out, USB Digital Recording I/O