Sennheiser ew 100 G4-845-S A1-Band, UHF Wireless System, Includes the SKM 100 G4-S handheld transmitter with mute switch and E845 interchangeable capsule, Frequency range: A1 (470 - 516 MHz), Includes a rackmount, RJ10 connecting cable, microphone mount, NT2 power supply and 2 AA batteries@+*Features of the E845 interchangeable capsule:*@+@+, Transducer principle: Dynamic, Directional characteristic: Supercardioid@+*Features of the EM 100 G4 9.5