The D-Mic 70 SL is a directional gooseneck microphone measuring 70.5 cm in length. Constructed with a brass chassis and finished in matt black (RAL 9011), this unidirectional cardioid microphone utilizes a back electret condenser transducer principle. It operates on 3.3 V DC power with a current consumption of 0.5 mA without the LED ring and up to 25 mA with the LED active. The microphone delivers a signal-to-noise ratio exceeding 67 dB(A) with free field sensitivity of (-40.5±2) dBV at 1 Pa, 1 kHz. Maximum SPL is 110 dB at 1 kHz with 1% THD+N. Designed specifically for flushmount installation in conference tables, it features a screw lock connector for secure connection to delegate and interpreter units.