GHOST , Hexpander pre-amp Plus for MIDI ---------The Hexpander MIDI interface is for Guitar or Bass and Includes:
BD-0440-00 Hexpander MIDI interface
BD-0540-00 13-pin Output Jack
BD-0515-00 13-pin Mounting Plate
BD-0512-00 Interface Wiring Harness
The Hexpander does not require a battery because it draws power from the MIDI converter through the 13-pin connector.