EMG Acoustic Saddle Pickup System - Narrow Package Includes:Endpin Jack with cableAPA-2 preampInput plugCable keepersBattery holderAllen wrench (.062")Attachment screwsVelcro This is a complete system that includes a saddle pickup (AT93), APA-2 preamp, and the EMG Endpin Jack, amplifying the natural tone of your guitar without added overtones or coloration Highs have a natural brilliance and the low-end is full and rich The AT93 pickup is included, using piezo film in a layered format (Bimorph) that has many advantages over other film designs as well as piezo crystals The layering allows a lower output impedance as well as double the output of other designs