The sennheiser em xsw 1 wireless receiver is a compact uhf receiver designed for xs wireless 1 systems operating in the licence free e band frequency range of 821–832 mhz and 863–865 mhz. Built for simple setup and dependable wireless performance it provides reliable rf reception for live sound presentations and installed audio environments. The receiver features automatic frequency management that scans available channels within the 821–832 mhz and 863–865 mhz bands helping you quickly find a clear frequency even in busy rf environments. Antenna switching diversity technology helps maintain a stable wireless signal by automatically selecting the strongest antenna input. Balanced xlr and unbalanced 6.3 mm outputs allow easy connection to mixers pa systems and recording equipment. With clear led indicators for rf signal audio levels and transmitter battery status the em xsw 1 provides straightforward monitoring during setup and performance.