 Now introducing the Fly 3 bass from Blackstar. This 3 watt mini bass amp includes two channels, clean and overdrive, sub-control to add amazing low-end. 3 inch full-range speaker producing Blackstar tones. It's battery or DC powered, MP3 stereo line in, emulated line out for silent practice or recording. Also available as a 6 watt stereo setup, perfect for PC speakers and MP3 playback.