The FLY 3 mini guitar amp can be battery powered or when bought as a stereo pack, it can use the included power supply. It takes 6 batteries, preferably rechargeable. Tape Delay
This amp includes an awesome tape delay effect with a tape delay level control. MP3 / Line Input
Use this guitar amp as an MP3 speaker or as a general speaker for your computer. Also use it to play along to backing tracks while practising. Record Using The Emulated Output
Record directly to your computer, or even run it through a PA. Use with headphones to practice when you need to keep quiet. Turn the FLY 3 into a 6W Stereo Mini Amp
The FLY 103 is the official extension speaker for the FLY 3 compact mini amp. The FLY 103 comes with its own built-in cable to connect it to the FLY 3, making it a true stereo set-up. ISF Control
The ISF control works in conjunction with the Tone control. It allows you to choose the exact tone signature you prefer. Fully CCW is a more American characteristic with a tight bottom end and more aggressive middle, and fully CW is a British characteristic which is more woody and less aggressive.