Acoustic device

The utility model provides an audible device. The sound equipment comprises a sound equipment shell, an elastic sealing cover plate and a loudspeaker plate group. Wherein an accommodating cavity is formed in the sound equipment shell, a first air guide enclosure baffle plate group and a second air g...

Ausführliche Beschreibung

Bibliographische Detailangaben

1. Verfasser:	YIN GUANGRONG
Format:	Patent
Sprache:	chi ; eng
Schlagworte:	DEAF-AID SETS ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY LOUDSPEAKERS, MICROPHONES, GRAMOPHONE PICK-UPS OR LIKEACOUSTIC ELECTROMECHANICAL TRANSDUCERS PUBLIC ADDRESS SYSTEMS
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