FX370C features a Yamaha custom piezo pickup system and preamp for natural, expressive sound and stage-ready control matched to Yamaha’s stunning standard set-up to create a guitar that performs way outside of it’s pricepoint. Pickup Systems: Controls for the under bridge mounted piezo pickup are mounted on the instrument’s side for optimum access. The battery compartment is also located on the side, close to the neck, to provide easy replacement. * The FX utilizes a passive pickup system therefore, it does not require a battery box. Preamp Systems: One-way system includes a 3-band equalizer with an adjustable midrange frequency control and master volume. Features / Specifications: Strings Scale: 634 mm (25″) Body Depth: 96-116 mm (3 3/4″-4 9/6″) Fingerboard Width: (Nut/Body) 43 mm Pick Up System: System 58 1 way Material: Top: Spruce Back: Nato Side/Rib: Nato Neck: Nato Finger Board: Rosewood Bridge: Rosewood.