The white MAS 1 Microphone Activation Button by Sennheiser when paired with the MAS 133 inline switch box is for control of a microphone. The MAS 1 is used to activate programmable modes that include On, On/Off, PTT, and PTM. It features a bi-color LED for status indication of each mode. The mounting hardware is included.
The Sennheiser SEMS-3000 Microphone Floor Stand and Boom features a study tripod base and adjustable height. The boom is also adjustable and suited for recording vocals, instruments, etc.






