amPlug 2 FLY amPlug2 FLY Bass is specifically designed for low frequencies and offers a wide range of response. There are three distinct channels built-in, Classic, Modern and Overdrive, and a custom Tone control, to take your sound from deep and booming to bright and cutting. Engage one of the six different Rhythm loops to find your groove and jam along. Blackstar Tone & Performance – Anywhere 3 Channels in one amPlug 2 FLY Guitar and Bass both offer three uniquely customisable channels – Clean, Crunch and Lead channels for guitar. Classic, Modern and Overdrive channels for bass. Blackstar tone, on the FLY Up to 17 hours of continuous play time from two AAA batteries means you can play for longer on the FLY. Auto power-off No need to worry about your batteries, after 30 minutes of no signal the unit automatically turns off.