The GA-FC is a Foot Controller, designed to maximise the amount of control you have over your compatible Roland/Boss Amplifier.If you like to change settings on your amplifier mid-song, the GA-FC allows you to keep your hands on your axe - where they belong!With 6 soft-touch buttons, an all-metal chassis and inputs for 2x Expression/Volume pedals, the Roland GA-FC is ready for the road. The build quality is extremely robust and promises the reliability Boss has become renowned for.You can switch instantly between four channels and two routes of loops, reverbs, boost settings, etc. You can even simultaneously connect two expression pedals* for real-time control of volume and drive.Comes with a connection cable so you can plug it straight into your compatible amp and get playing straight away.*EV-5, EV-30, FV-500L, and FV-500H are available as optional expression pedals for the GA-FC.Compatible products: KATANA-100, KATANA-100/212, KATANA-HEAD, KATANA-ARTIST, Acoustic Singer Pro, Acousti