The BETSO Lemo-Jack Adaptor is a unique solution for connecting microphones with miniature LEMO 3pin connectors (for Sennheiser SK50, SK250, Wisycom etc. systems) to standard 1/8" jack inputs. Enjoy connecting your mics to Sennheiser EW G3 (G1/G2 also supported), Audio Ltd. En2, etc. wireless systems.