Shure 515SBGX in good condition.
One of the newest models of the 515 Series, the 515SBGX, provides overall improved performance and 6dB more output. Ideal for a variety of sound reinforcement uses. Easily mountable to gooseneck or fixed pipe where hands-free operation is necessary in paging and talkback systems. Built in push-to-talk button controls both microphone circuit and relay or control circuit.