Ghost - Acousti-Phonic Preamp Kit for Bass (basic)The Acousti-Phonic for Bass includes:PD-0340-00 Acousti-Phonic preamp board EQ'd for bassPD-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 preamp)PE-0205-00 Battery Holder (metal clip that holds 9V battery)PE-5017-00 Summing Board (not pictured)PE-5021-00 Dual Connector Cable (not pictured)