Roland GFC-50 Roland GFC-50 Description: The GFC-50 is a convenient, "hands-free" way to change patches when using a Roland V-Guitar™ Amplifier, etc. Dual Expression Pedal inputs provide optional realtime parameter and volume control. Roland GFC-50 Specifications: Connectors MIDI Out EXP 1/2 CTL 1/2 Bank shift Up/Down DC In Power Supply DC 9 V: AC Adapter (PSA series) /Dry Battery (AA type) x 6 (optional) Accessory AC Adaptor (PSA Series) Size and Weight Width 423 mm 16-11/16 inches Depth 135 mm 5-3/8 inches Height 40 mm 1-5/8 inches Weight 1.6 kg 3 lbs. 9 oz. *The specifications are subject to change without notice. Get your Roland GFC-50 today