Adjustable Intercom Announcement Window Intercom System Dual way Intercommunication Microphone For School Office Bank Station Securities Company Hospital Station

Description: Suitable for the Bank Securities Company Hospital Station ect.where the Burglar-proof glazing is installed The main unit has aluminum alloy shell and the extension has built-in speaker This system has simple connection for DIY operation This system has top-quality speaker and high-sensitive microphone.Especially the metal tube microphone is deal for the counter and the dual-way intercommunication The voice from the system is clear and natural There is a swith only for the volume control For this system. We adopted the advanced microcomputer from USA Track-interlock technique ensures the stable performance without noise and side-tone Parameter: All of our items are Brand New This item is suitable for short distance communication. It is simple economical and convenient. More Detail and Spec of product please Metro Shop Voltage:100~240V Working voltage:DC9V Most working current:600mA Main sound box sub-sound box:2w-2w 100Hz-15KHz Inside microphone:-48db±2db 20Hz-20KHz Outside microphone:-48db±2db 20Hz-16KHz Frequency response:100Hz-12KHz Destop unit dimensions:182*120*56（mm） Wall mount unit dimensions:61*85*24(mm) The speaker cord is 191cm Package Included: 1 x Host (inside) 1 x Vice machine (outside) 1 x AC Adapter