风格
鹅颈话筒, 有线麦克风, Speech Microphone, Voice amplifier, speaker, Talk back system
用途
便携式音乐播放机, 广播, Bank, Post Office, Hospital, railway station, securities company
功能
抗噪, PORTABLE, Voice amplifier, Speaker, Music Playing, Full automatic communication control, Stereo output, built-in LED indicator, Audio signal input
Style
Window Speaker System Intercom System
Function
Window Speaker Interphone talk back
Keyword
Microphone Intercom, Window Interphone
Suitable for
Bank post office, railway station, payment station, hospital
Sensitivity
-47.5±1.5dB(0dB=1V/Pa,at 1KHz)
Power supply
Built in Battery