Partyline, "KB" two channel speaker stations
Clear-Com offers a range of KB speaker stations
KB-702 (current) The KB-702 remote speaker station permits the user to select between two channels of party-line communications, with the ability to talk and/or listen on the selected channel. The user can listen via the integrated speaker, or may use a headset or telephone-style handset - and can talk via a headset mic, a telephone handset, or a push-to-talk microphone.
Obsolete unit /size
(6 inch X 8 inch)
KB-211
KB-111A
Important Note: When the two channel KB stations are installed into
"KB enclosures" the stations are limited to single channel
Please contact our Sales Department if there are any questions or if you model is not listed above.
http://www.clearcom.com/product/partyline/wall-mount%2Cspeaker-stations