| 摘要 |
PURPOSE: A mobile terminal is provided to maximally use a part of a circuit board as an expanded resonance space of an enclosure, thereby realizing sufficient audio output performance. CONSTITUTION: A speaker unit(310) comprises a magnet, a voice coil and a vibration plate. An enclosure surrounds a part of the speaker unit to fix the speaker unit. The enclosure forms a resonance space. A resonance rib(210) makes an expanded space connected with the enclosure.
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