LRAS150 150W Mass Notification SpeakerAugust 16, 2018LRAS150 is an active special acoustic hailing device. It adopts voice coil air cooling technology for fast cooling, with the high power over 500W. Compared with common acoustic devices, its maximum sound pressure level is 10dB higher, greatly enhancing the sound transmission distance.view
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
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 Network PA System Applied in Shenzhen Metro DepotNovember 29, 2016DSPPA IP network PA system applied in Shenzhen subway transportation system, covering the metro depot of line 9, line 11 and parking lot, which are going to be opened on June , November of the year 2...view
The Function and Characteristic of PreamplifierApril 29, 20211. The basic function of preamplifierThe preamplifier is the connection device between various audio source equipment (including ordinary audio sources such as CD players, tuners, decks, MP3 players a...view
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