3 Watt Mini Amp. Blackstar s FLY 3 is an innovative 3 Watt mini amp with big TONE. The patented ISF circuit gives you unlimited adjustment over the characteristics of your tone and takes you anywhere in-between. This combines with the tape delay to give you the best sounding fun to play mini amp available. An MP3/Line In socket allows you to connect your FLY 3 to an MP3 player mobile phone laptop or tablet and jam along to tracks. The FLY 3 can also be powered by batteries enabling you the get the sound in your head wherever you go! 3 Watts; Clean and Overdrive channels; 3 speaker Digital tape delay effect; Patented ISF (Infinite Shape Feature) MP3/Line In for jamming along or listening to music Emulated Line Out for silent practice or recording Revolutionary sonic performance.