Yamaha CPX500 Acoustic Electric Guitar, Natural Nato Back/Sides Nato Neck Rosewood Fingerboard/Bridge System 55T(1-way, 3-band EQ, adjustable midrange frequency, chromatic tuner) Rosewood Fingerboard/Bridge System 55T(1-way, 3-band EQ, adjustable midrange frequency, chromatic tuner) Nato Back/Sides and nato neck. Rosewood Fingerboard/Bridge and system 55T.