IK Multimedia has released a range of accessories for StompIO, its guitar and bass amp and FX system. A GPU Stage Case, Expression Pedal, Double Switch, Gig Bag, and Tour Rack are now available. The GPU (Guitar Processing Unit) Stage Case is a metal shell that protects a Mac Mini or mini PC that is plugged into the StompIO floor controller on stage. The Expression Pedal can be connected to any MID
