GraphTech GHOST Preamp Kit for Bass

Ghost - Hexpander Midi Preamp Kit for Bass (advanced)
The Hexpander MIDI interface Kit is for Guitar or Bass and Includes:
PD-0440-00 Hexpander MIDI interface
PD-0540-00 13-pin Output Jack
PD-0515-00 13-pin Mounting Plate
PD-0512-00 Interface Wiring Harness
PE-0111-00 QuickSwitch for MIDI/both/guitar
PE-0180-00 Program Up/Down switch
PE-0181-00 Hexpander MIDI Volume Pot
PD-0511-00 Extension Wiring Harness