| 摘要 |
The sound reproduction system provided for in-vehicle use includes: a music signal source; a first group of a first transducer, a second transducer, a third transducer and a fourth transducer connected to the music signal source; a signal processor to shift the phase of first sound signals output from the music signal source; and a second group of a first transducer, a second transducer, a third transducer and a fourth transducer connected to the signal processor.
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