This Neumann AC-22 5-Pin XLR Female to 3.5mm Mini Phone Male Cable is an adapter cable with a 5-pin XLR female plug at one end and an unbalanced stereo 3.5mm (1/8") Mini Phone plug at the other end. It is used to connect the 5-pin XLR output of the BS 48 i-2 power supply or the MTX 191 A matrix amplifier to units with a 3.5mm stereo input. It is designed only for the KM 100 and the GFM 132 microphones.