TS-690

The TS-690 is a Central Unit for TOA Conference System, TS-690 Series. Use of its line connection terminals permits connections to the conference units of TS-691L & TS-692L, making up a complete conference system to meet your needs. With the use of an optional rack mounting bracket, it can be mounted in a EIA Standard equipment rack, occupying 2 unit size.
 

TS-691L Chairman unit with long microphone 

The TS-691L is a Chairman unit of the TOA conference system, TS-690 Series of which compact and lightweight design makes it easy to install and store. Placing the speech button in ON position allows a chairman to speak and disable the speaker to prevent feedback. If the speech button is placed in the OFF position, the microphone cannot be used but the speaker is turned on, allowing voices from delegate units (TS-692L) to be monitored. Pressing the priority key on the chairman unit allows chairman to take precedence over any delegate units. And the TS-691L Chairman Unit comes with a long microphone as a standard accessory.
 

TS-692L Delegate unit with long microphone

The TS-692L is a Delegate unit of the TOA conference system, TS-690 Series of which compact and lightweight design makes it easy to install and store. Placing the speech button in ON position permits speech and disable the speaker to prevent feedback. If the speech button is placed in the OFF position, the microphone cannot be used but the speaker is turned on, allowing voices from other conference units to be monitored. And the TS-692L Delegate Unit comes with a long microphone as a standard accessory.