[DISCONTINUED] Line 6 PODxt 36 Amp Models, 24 Cab & 4 Mic models with 50 Stompbox and Studio Effects 128 Channel Memories w/ Built-in Chromatic Tuner Deep Editing with Line 6 Edit Software USB Digital I/O +4dBu / -10dBV 1/4 Inch Outputs, 24-bit A/D and D/A Converters, MIDI In, Out/Thru 36 Amp Models, 24 Cab & 4 Mic models with 50 Stompbox and Studio Effects 128 Channel Memories w/ Built-in Chromatic Tuner Deep Editing with Line 6 Edit Software USB Digital I/O, +4dBu / -10dBV 1/4 Inch Outputs, 24-bit A/D and D/A Converters, MIDI In, Out/Thru