The FLY Stereo Pack includes the FLY 3 mini amp, a FLY 103 extension cabinet and a power supply. Combined together, the FLY 3 and FLY 103 make a 6 Watt stereo amp for guitar or music playback - perfect as a set of portable speakers or for using at home as pc speakers. Pack contains FLY 3, FLY 103, plus power supply 6W stereo set-up perfect for use as PC speakers and MP3 playback BATTERY POWEREDThe 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 DELAYThis amp includes an awesome tape delay effect with a tape delay level control.MP3 / LINE INPUTUse 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 OUTPUTRecord 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 AMPThe 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 CONTROLThe 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.