Sennheiser MMD 945-1 BK, Interchangeable Capsule, For EW G3, G4, EW-D and SKM 2000 series hand-held transmitters, Converter principle: Dynamic, Polar pattern: Supercardioid, Sensitivity: 1.5 mV / Pa, Sound pressure level at 1 kHz: 150 dB, Colour: Black