Yamaha CGX101A The Yamaha CGX101A acoustic electric nylon string guitar features Yamaha's state-of-the-art preamp provides a natural acoustic electric tone with great flexibility. Solid Spruce Top Nato Back and Sides Nato Neck Rosewood Fingerboard Rosewood Bridge 19 Frets Chrome Hardware Yamaha 1-Way Preamp with Piezo Pickup Limited Lifetime Warranty