The SKM 835-XSW-A Handheld Transmitter from Sennheiser is a wireless microphone equipped with an e835 Dynamic Cardioid Capsule. It is designed to be paired with the EM-XSW 1 or EM-XSW 2 wireless receivers (sold separately) and can be used to capture audio for singers, presenters, and live sound applications. Featuring automatic frequency management, the transmitter offers up to 10 compatible channels in a stable UHF band. This transmitter is built to withstand even the toughest stress in everyday on-stage use and offers reliable transmission with an easy-to-use set up. No matter whether you're a band, a theater, or at a seminar, the SKM 835-XSW-A Handheld Transmitter lets you do your thing and not worry about channel selection.