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High power, intended for devices over long distances, the system incorporates adi note 4 tone for ads. It has one line input with RCA connection and sensitivity switch, 4 balanced XLR microphone inputs with phantom power, function Voice priority,......

It has 4 inputs switchable between mic, line and microphone with 48V phantom power. Four independent zones can be adjusted both in volume and level of high and low tones. Telephone paging function, siren, and signaling to 4 tones. It manages......