Sennheiser ew 100 G4-865-S 1G8, UHF Wireless System, Includes the SKM 100 G4-S handheld transmitter with mute switch and E865 interchangeable capsule, Frequency range: 1G8 (1785 - 1800 MHz), Includes a GA 3 rackmount, RJ10 connector cable, microphone holder, NT2 power supply and 2x AA batteries@+*Features of the E865 interchangeable capsule:*@+@+, Transducer principle: Pre-polarised condensor microphone, Directional characteristic: Supercardioid@+*Features of the EM 100 G4 9.5"" receiver:*@+@+, 15 MHz switching bandwidth, Up to 12 compatible channels, Fast frequency allocation for up to 12 receivers via link function with RJ10 connection, Frequency range: 25 - 18,000 Hz, Frequency transmission via infrared interface, Handheld transmitter with charging contacts for optional BA 2015 battery (NiMH), Pilot tone, Automatic frequency scan feature locates available frequencies, Integrated EQ, Audio gain: 60 dB, Soundcheck mode, 4-Digit battery indicator on the transmitter and receiver, HDX compander, LCD display with RF/AF levels and channel display, Transmission power: 10 mW, 2 BNC antenna sockets, XLR male (balanced) and jack (unbalanced), Power supply: 10.5 - 16 V DC