Sennheiser MKH 20-P48 Omni-Directional Condenser Microphone

Sennheiser MKH 20-P48 Omni-Directional Condenser Microphone: Features: Microphone with omni-directional pick-up pattern Exceptionally low inherent self-noise Exceptionally flat frequency response, switchable for near and diffuse field applications High frequency response can be accentuated by means of a special pressure build-up ring Slightly increasing directivity at high frequencies to adjust tonal balance High sensitivity Switchable pre-attenuation What's in the box? 1 MKH 20, 1 MZS 40 shock mount, 1 MZW 41 windshield, 1 pressure build-up ring Specifications: Dimensions: Ø 25 x 153 mm Frequency response (Microphone): 12 - 20000 Hz Max sound pressure level: 134 dB / 1 kHz Sensitivity in free field, no load (1kHz): 25 mV/Pa +- 1 dB Nominal impedance: 150 Ω Equivalent noise level: 10 (18) dB Equivalent noise level weighted as per CCIR 468-3: 20 (28) dB Current consumption: 2 mA Battery Specification: 48 +- 4 V Phantom Made in Germany.