| 摘要 |
<p>A relatively small speaker unit incorporated into a normal size product is capable of outputting sound with extreme fidelity to the original sound. A speaker unit built-in product includes one or more speaker units S, and a baffle plate 2 made of a thin flexible soft rubber, wherein a frame of each of the one or more speaker units S is fixed directly to the baffle plate 2 so that the front side of each of the one or more speaker units faces in the same direction as the front surface side of the baffle plate 2, and the baffle plate 2 and the one or more speaker units S are both held in a state of being movable back and forth freely in the vibration direction of the diaphragm of each of the one or more speaker units S.
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