Shure BLX14/PG31 S8, PG Headset Series, UHF Wireless-System with BLX1 pocket transmitter and PG31 headset microphone, up to 6 Systems parallel, Pilottone, antenna-Diversity, Quick-Scan to find free frequencies, condenser headset PG30, 40 - 20.000 Hz, cardioid, receiver with plastic housing, internal antennas, XLR- and Jack outputs, Audio Status-LEDs, frequencyrange S8 823 - 832 MHz