Sennheiser ew 100 G4-945-S A1-Band, UHF Wireless System, Includes the SKM 100 G4-S handheld transmitter with mute switch and E945 interchangeable capsule, Frequency range: A1 (470 - 516 MHz), Includes a GA 3 rackmount, RJ10 connector cable, microphone holder, NT2 power supply and 2 AA batteries@+*Features of the E945 interchangeable capsule:*@+@+, Transducer principle: Dynamic, Directional characteristic: Supercardioid@+*Features of the EM 100 G4 9.5