DSPPA Network Public Address System has been applied to Hezhou Nationality High School in Guangxi.
Talk about the ArrayApril 25, 2019Vertical array speakers are new speakers? Don't be misled, everyone. Line Array's idea has been around for a long time, and this kind of math comes from astronomical computation of stars. It's just a ...view
DSPPA Long Range Acoustic DevicesJune 9, 2020Today we are going to introduce our LRAS1530A Active Directional Long Range Acoustic Device and DS1421H Portable All-in-one Mass Notification Speaker.view
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