Backpack type propaganda sound box device
The utility model discloses a backpack type propaganda sound box device, which comprises a box body, a battery module, a woofer, a tweeter, a function board and a power amplifier module are fixed on the box body, the battery module is connected with the function board and the power amplifier module,...
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| Hauptverfasser: | , |
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| Format: | Patent |
| Sprache: | chi ; eng |
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| Online-Zugang: | Volltext bestellen |
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| Zusammenfassung: | The utility model discloses a backpack type propaganda sound box device, which comprises a box body, a battery module, a woofer, a tweeter, a function board and a power amplifier module are fixed on the box body, the battery module is connected with the function board and the power amplifier module, the battery module supplies power to the function board and the power amplifier module, the function board is connected with the power amplifier module, and the power amplifier module is connected with the woofer. The bass loudspeaker and the tweeter are both connected with the power amplifier module, the function board processes incoming audio information and then transmits the audio information to the power amplifier module, the power amplifier module amplifies the audio information and then drives the bass loudspeaker and the tweeter to produce sound, the top wall of the box body is connected with a handle, and the outer wall of the box body is connected with a hanging ring used for installing straps. The devic |
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