Ghost - Acoust-Phonic & Hexpander Preamp Kit for Guitar (complete)The Complete Kit for Guitar combines the Acousti-Phonic Kit EQ'd for Guitar with the Hexpander MIDI interface Kit, and includes:PD-0240-00 Acousti-Phonic Intelligent pre-amp EQ'd for guitarPD-0103-01 Switchcraft Stereo Switched Output JackPE-5003-00 Stereo Output Jack Cable AssemblyPE-5002-00 Acoustic Volume Cable AssemblyPE-0204-00 Battery Connecter (connects 9v to pre-amp)PE-0205-00 Battery Holder (metal clip that holds 9V battery)PE-0111-00 QuickSwitch for mag/both/acousticPE-0206-00 Acoustic Volume Pot with Mid/Dark SwitchPE-5017-00 Summing Board (not pictured)PE-5021-00 Dual Connector Cable (not pictured)PD-0440-00 Hexpander MIDI interfacePD-0540-00 13-pin Output JackPD-0515-00 13-pin Mounting PlatePD-0512-00 Interface Wiring HarnessPE-0111-00 QuickSwitch for MIDI/both/guitarPE-0180-00 Program Up/Down switchPE-0181-00 Hexpander MIDI Volume PotPD-0511-00 Extension Wiring Harness