earbuds

  1. Cburg

    Telex Intercom Question. Use of Ear buds?

    We use a wired 1 channel telex intercom. My students would like to try and use earbuds with a mic (like what comes with cell phones) in place of the they ear muff sets. The earbuds test out to have 4 wires, 1-right, 1-left, 1-mic and a common ground. The pinout for the 4=pin XLR on the...