amPlug2 FLY headphone amps for guitar and bass are the perfect solution for practice when noise is a restraint, or for when inspiration strikes ON THE FLYVoiced and designed by Blackstar in the UK, amPlug2 FLY models are battery-powered and have a foldable instrument jack plug for connection to any guitar body type. The super compact design can be carried anywhere and is the easiest way to achieve real Blackstar amp tones in your headphones. 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. 3 Channels in one unit Classic - Valve-inspired tone with mid-range growl Modern - Fat bottom-end with a mid-scoop and extended treble Overdrive - Smooth, natural overdrive with plenty of bite Six dif