작풍
거위 목 모양의 관 마이크, 유선 마이크, Speech Microphone, Voice amplifier, speaker, Talk back system
사용
휴대용 오디오 선수, 방송, Bank, Post Office, Hospital, railway station, securities company
기능
소음 취소, 휴대용, 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