"B-Stock, LD Systems MEI 1000 G2, UHF Wireless In-Ear System - consists of 9.5"" stereo transmitter (MEI 1000 T), bodypack receiver (MEI 1000 BPR) and earphones. 160 switchable frequencies, up to 10 parallel systems, 823 - 832 MHz und 863 - 865 MHz...