If you want to keep your hands on your axe at all times, the GA-FC Foot Controller lets you drive Roland and BOSS amps from the floor. It allows for expansion as well: plug in optional expression pedals etc.
Controls
FUNCTION switch
MANUAL switch
CH 1-CH 4 switches
Indicators
FUNCTION
MANUAL
CH 1-CH 4
Connectors
EXP PEDAL DRIVE jack (1/4-inch TRS phone type)
EXP PEDAL VOLUME jack (1/4-inch TRS phone type)
GA FOOT CONTROL jack (1/4-inch TRS phone type)
Accessory
Owner's Manual
Foot Controller Cable
Options (sold separately)
Expression Pedal (EV-5, BOSS FV-500L, BOSS FV-500H)
SIZE AND WEIGHT
Width392 mm
15-7/16 inches
Depth81 mm
3-1/4 inches
Height49 mm
1-15/16 inches
Weight1.0 kg
2 lbs. 4 oz.