The Shure A27M Stereo Microphone Adapter is designed to securely hold two microphones in selectable positions to create a stereo recording. Perfect for broadcasting recording and sound reinforcement applications the Shure A27M adapter allows two microphones to share one stand without losing the ability to independently position each microphone. The Shure A27SM can be used for coincident or closely spaced mounting with a wide range of directional angles and vertical microphone separations of 1.25 (31.8 mm) 2 5/8 (66.7 mm) or 4 (102 mm). The A27M stereo microphone adapter comes supplied with a cable clamp.