Blackstar Super Fly Pack Megadeal This price is while stocks last only - once they're gone, they're gone. The Super Fly offers guitarists, singers and any musician looking for a flat response amplifier for their instrument, a great portable solution. It has 2 channels with built in reverb as well as Bluetooth connectivity meaning it is a great tool for song writing and practice. In the pack you get a padded gig bag for safe transport, a PSU to run via mains and a rechargeable battery pack for when you want up to 8 hours of play back on the move.