| 摘要 |
An acoustic device able to provide sounds showing a stereo effect even if a housing is small in size, wherein, inside a first surface of a second housing, each of sound guiding spaces (sound resonance spaces) for the respective speakers is defined by a sound outputting surface of the speaker, a front surface side case, and an inner wall formed between the sound outputting surface of the speaker and the front surface side case, further, first sound outputting holes outputting sounds in a high frequency sound band and second sound outputting holes outputting sounds in an intermediate frequency sound band and in a low frequency sound band are provided so as to communicate with the respective sound guiding spaces (sound resonance spaces).
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