| 摘要 |
A speaker unit (30; 120, 124) used for a musical instrument and configured to generate music sounds based on a performance operation in a main body (1; 110) of the musical instrument, including: an electrostatic speaker (31; 124); and a stationary portion (20; 120) which is a portion fixed to the main body of the musical instrument or which is a member attachable to the main body of the musical instrument, wherein the electrostatic speaker is supported by the stationary portion such that at least one of a position and a posture of the electrostatic speaker with respect to the stationary portion is variable. |
