Air-modulated loudspeaker is a non-reversible electro-acoustic transducer speaker. It uses the theory of aerodynamics and the theory of sound propagation in air. Compressed air is used as sound energy, and electric signal is used to control and modulate airflow to radiate sound. It can output sound power up to thousands of sounds. Such loud sound power is beyond the reach of any other loudspeakers. It is generally used for loud sound reproduction.
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