Specification

.  Built in 1 high-quality speaker with loud sound, long penetration and clear

.  Support alarm broadcast with uniview NVR, video and audio linkage

.  Support two-way audio

.  Rated Power: 15 W

.  Max. Acoustic Pressure: 122 dBSPL

.  Frequency Response: 300 Hz to 12.5 kHz

.  Impedance: 8 Ω

.  Interface Protocol (API): ONVIF, RTSP, RTP, LAPI

.  Audio File Size: 2 KB < Audio File Size ≤ 10 MB

.  Audio File Storage: 64 MB

.  Audio File Number: 100 (Include system built-in files)

.  Network Interface: 1 RJ45 10M/100 M self adaptive Ethernet Interface

.  Audio in: RCA (only be used for sound amplification, cannot be used for intercom)

.  Alarm in: 2

.  POE (IEEE 802.3af), DC 12 V/1.4 A

.  Working Temperature: -30 °C to 55 °C (-22 °F to 131 °F)