Koa classical guitar BYC-38 of XYB is a full solid type of professional level. The classical guitar is introduced Red Cedar solid top and Koa Wood back and side. The model has beautiful appearance. For the audio character of Koa wood material and Canada Red Cedar, the guitar has outstanding mid and high audio frequency and audio reflection, besides, the bass is deep with metallic character. The model is a good choice for practicing to improve classical guitar skills as well as perform in club.