様式
Gooseneckのマイクロフォン, 有線マイク, Speech Microphone, Voice amplifier, speaker, Talk back system
使用
携帯用可聴周波プレーヤー, 放送, Bank, Post Office, Hospital, railway station, securities company
機能
騒音の取り消すこと, ポータブル, 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