The invention relates to a ceiling type acoustic device based on bean control. The ceiling type acoustic device based on the
beam control comprises an audio product, a controller, a sounding module, a
beam control module, a power
amplifier module and a
loudspeaker array, wherein the audio product is provided with a first end and a second end, the first end is connected with the controller in an interactive mode, the second end is connected with a
wireless module in an
wireless interactive mode, the controller is connected with the first end of the audio product in the interactive mode and is used for achieving the
pairing of the sounding module and the audio product when command information is given by the audio product, the controller can also receive or generate expected information of a user, the sounding module comprises the
wireless module which is connected with the second end of the audio product in the interactive mode, the
beam control module is connected with the controller and the wireless module in electric mode, an input end of the power
amplifier module is connected with an output end of the beam control module, an output end of the power
amplifier module is connected with the
loudspeaker array in an electric mode, the
loudspeaker array comprises a plurality of loudspeaker units, and each loudspeaker unit is used for achieving electric-acoustic transformation.