Sennheiser MAT 133-S B Desktop Stand for MEG and MZH Goosenecks with Switch (Black)The rugged housing of the functionally and unobtrusively designed MAT 133 S provides a solid ground for XLR 3 gooseneck microphones. A convenient microphone button is featured with a bi color light ring for clear visual feedback. The TTL logic output serves for various control purposes such as camera control. The MAT 133 S is as versatile as it is to operate. Microphone Modes: Toggle on off Push to mute Push to talk Permanent on (external LED control)