The 3-Pin Mini XLR Female to 3-Pin Standard XLR Male Cable for LCT 640 TS Microphone from Lewitt is an adapter cable that allows you to connect the mic's second output (which uses a mini 3-pin male XLR connector) to standard XLR gear. With both of the outputs on the LCT 640 TS connected to recording equipment, you can access the microphone's unique ability to provide mid-side recordings using only a single mic.