6.3mm 1/4 inch male TRS Stereo to XLR Male 3 Conductor Adapter Converter 1/4" male at one end and XLR 3 Conductor / Pin Male at the other end The conductors of the XLR pin as they correspond to the 1/4" TRS side are as folllow: pin 1 Sleeve, pin 2 Tip, pin 3 Ring