| 摘要 |
To provide a simple sound apparatus in which an excellent sound effect can always be obtained. There are provided a seat portion 110 having a backrest portion 113 and a stool portion 114, a pair of closed-loop-shaped main frames 120 respectively attached to both side edges of the seat portion, and a sub-frame 130 including a vibrating unit 150 and connected to at least one of the main frames, and vibration generated from the vibrating unit is transmitted to the seat portion through at least one of the main frames.
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