Sennheiser MKH50 Subcardioid Microphone, from Sennheiser

Current Consumption: ........ 2 mA
Pick Up Pattern: ........ Supercardioid
Frequency Response: ........ 40 - 20,000 Hz (-3 dB)
Sensitivity: ........ 225mV/Pa (8mV/Pa +-1dB)
Nominal Impedance: ........ 150 ohm
Min Terminating Impedance: ........ 1000 ohm Equivalent Noise Level: ........ 12 dB (18 dB) / 21 dB (27 dB)
Max Spl: ........ 134 dB (142 dB)
Dimensions: ........ 25mm x 174 mm
Weight: ........ 110 g
Transducer Principle: ........ Pressure gradient microphone
Max Output Voltage: ........ 2.5V

Pressure gradient microphone with super-cardioid pick-up pattern.

Features
-Pressure gradient microphone with super-cardioid pick-up pattern
-High rejection of lateral sounds
-Constant directivity over the whole frequency range
-Exceptionally low inherent self-noise
-High sensitivity
-Switchable roll-off filter to compensate for proximity effects at a distance of approx. 0.5m
-Switchable pre-attenuation