LD Systems Win 42 HHD2, UHF Wireless System with handheld transmitter and dynamic capsule, 1680 frequencies, 20 groups with 577 fixed frequencies, User Bank with 1680 free adjustable frequencies in 25 KHz steps, 19" 1HE true diversity receiver, Audio frequencyrange 60 - 16.000 Hz, Pilottone, dynamic handheld transmitter, changeable capsule, works with 2x AA batteries (up to 14 hours), IR data transfer from receiver to the transmitter, 4 adjustable EQ-Setups, adjustable headphones out, switchable tranmitted power 10/30/50 mW, Channel Scan Function, UHF frequency range 734 - 776 MHz, up to 10 Systems simultanously, XLR/Jack out, TNC antenna connectors