Earmuff cable with x12 Connector. ONLY for Ear Muff Headsets with Microphone. CANNOT be used on Listen Only models.
Fits older Vertex radios with multi-pin connector (note: NOT compatible with VX-537 or NYPD models) including: VX-310, VX-500, VX-510, VX-520, and VX-520UD.
