Passive acoustic hailing devices with high directivity and long‑range intelligible sound transmission for remote communication, warning and crowd management. Ideal acoustic solutions for security, emergency notification and outdoor public address applications by DSPPA.
LA1521H 600W Acoustic Hailing DeviceJune 6, 2017view
MP2515 Two Channel Digital AmplifierMarch 22, 2017This product can be callled stereo mixing amplifier.view
MP2530 Two Channel Digital Power AmplifierMarch 22, 2017MP2530 Two Channel Military Acoustic Hailing System Host, which is called public address amplifiers.view
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