LRAS1830A 300W Acoustic Hailing DeviceApril 30, 2021LRAS1830A is a Long Range Acoustic Hailing Intense Sound Speaker is a compact and portable long range directional acoustic wave transmitter, far superior to other PA systems in public places, and can ...view
LRAS1860A 600W Active Long range acoustic hailing systemAugust 2, 2022view
LRAS1515A 150W Active Long Range Acoustic DeviceJanuary 18, 2020This product is a portable long range directional acoustic transmitter. Featuring powerful sound intensity, high directivity and high intelligibility, this product can realize long range communication...viewwe will contact you within 24 hours.
DSPPA | Holiday Notice of National DaySeptember 30, 2022Abstract: The Chinese National Day is coming once again, DSPPA take seven days off from 1st to 7th October and be back to work on 8th October 2022.view
The Choice of the Home Audio SystemApril 25, 2019First, what is the audio?Many people may be confused by the concepts of sound and speaker. Generally speaking, sound is a system of speaker and power amplifier and sound source system. The speaker is ...view
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