1. Single board resonance effect The better the wood, the better the resonance and the better the sound quality of the sound. 2. Acacia Glossy, good resonance performance, soft tone 3. Selected steel shrapnel Better toughness and strength, crisper bass, longer treble 4. Key bending design The keys are thick and rust-free, and the lower bends are designed to better match the activity habits of the fingers.
