Sennheiser Electronic Corporation Evolution 900 Series Boundary Mic with On/Off Switch (Black) e912 sBK

The e 912 S is a high-quality, pre-polarized condenser microphone with half-cardioid pick-up pattern, acoustically optimized for picking up speech. Due to its unobtrusive, flat design, it is ideally suited for use on conference tables, altars and lecterns. The e 912 S can be switched on and off via an integrated membrane switch. Dimensions: 5 x 4.1 x 1 in. (126.5 x 105 x 26.5 mm) Frequency response: 20 - 20,000 Hz Max. sound pressure level (passive): 134 dB Pick-up pattern: Half-cardioid Sensitivity in free field, no load (1kHz): 6 (10) mV/Pa Depending on adjusted frequency response curve Transducer principle: Pressure gradient, permanently polarized condenser Weight: 1.2 oz. (550 g)