The OMNITRONIC STR-1000 is a UHF bodypack receiver for the IEM-1000 in-ear monitoring system. It operates from 823–832 MHz and provides 37 switchable frequencies arranged in 10 groups. The receiver has one channel, an LCD display showing charge status, RF signal level and frequency, adjustable headphone output, pilot-frequency squelch, a lock function and a belt clip. It is powered by two AA batteries and has a stereo 3.5 mm headphone output.