VOX VT100X Digital Modeling Guitar Amplifier w/ American Stage 20' Instrument Cable Programs: 33/60 (when using Tone Room - Editor/Librarian software) INPUT jack, AUX IN jack, Headphone jack, FOOT SW jack, USB (Type B) mini port A/D conversion: 24-bit D/A conversion: 24-bit User Programs: 8 (2 banks x 4 channels)