Orders placed after 4PM on weekdays will not ship until the next business day. Orders placed after 12pm Fridays will not ship until the following Monday.
Faster shipping methods may be available; just upgrade during checkout.
*Some exclusions apply.
Enter new zip code to refresh estimated delivery time.
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.
In the Box
Sennheiser MAS 1 Microphone Activation Button (White)
Limited 2-Year Warranty
Table of Contents
XLR-5M Out Pin assignment: 1 = ground, 2 = switch, 3 = LED red, 4 = LED green, 5 = LEDs +12 V