16KHz. Operating Temperature: 0 ～ 45 ℃. Measurements: 144 * 144 * 34.1 mm. Network Horn Speaker GEN-6391A03 Power Supply: DC24V/2.7 A or POE. Communication Method: TCP/IP, UDP, SIP, ONVIF. Signal-to-Noise Proportion: > IP Paging System 80dB. Frequency Response: 100Hz

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