This adapter enables a user to plug a mic with a 1/8 in (3.5 mm) tip into the 1/4" connector of the LT-800.Use this cable to connect 6-channel Integrus Interpreter Desks when standard cables are too short. Terminated with 25-pole sub-D-type plugs with a sliding-lock and pin-lock mechanisms. Comes in varying lengths: 16 ft, 64 ft, and 328 ft.