The Sennheiser EW 100 G2 SK 100 is a professional bodypack transmitter from the Evolution Wireless G2 series, designed for discreet and reliable wireless audio transmission from lavalier, headset, or instrument microphones. Operating within the 626 to 662 MHz UHF frequency band, this transmitter provides robust RF performance suitable for live sound, presentations, and broadcast applications where a stable wireless link is required. The unit is constructed with a durable housing that can withstand the rigors of regular use, and its compact, lightweight design ensures comfortable, concealed wear under clothing for presenters, performers, and speakers, allowing for complete freedom of movement on stage or on set.

The transmitter features a secure, locking 3.5 mm mini-jack connector, ensuring a reliable connection to a wide array of compatible microphones, including Sennheiser's ME series lavaliers and HSP headsets. It incorporates straightforward controls for power, frequency group selection, and gain adjustment, allowing the user to optimize the input level to match the connected microphone's output and prevent clipping or distortion. A multi-segment LED display provides clear status indications for battery life, transmission activity, and selected channel. Powered by two standard AA batteries, the transmitter offers extended operational time, capable of lasting through full-day events or lengthy performances without interruption.

Engineered as part of the trusted G2 ecosystem, this bodypack transmitter works seamlessly with compatible Evolution Wireless G2 true-diversity receivers, such as the EM 100 model. It utilizes Sennheiser's advanced companding technology of the G2 generation to deliver a wide dynamic range and transparent audio quality with low noise. The inclusion of a pilot tone ensures that the linked receiver mutes automatically if the signal is lost, preventing disruptive noise bursts in the sound system. The Sennheiser EW 100 G2 SK 100 Bodypack Transmitter is a reliable and professional tool for audio engineers and performers who require a high-quality, dependable wireless link for body-worn microphones in a variety of demanding environments.