Desktop microphone for announcements. Frequency response: 200Hz...15000Hz +/ 2dB. Balanced output 750mV, 600 ohm, S/N > 100dB. Sensitivity 43dB, Dynamic capsule type (moving coil) with hypercardioid diagram. Power supply 5V DC. Gong. Output gain control. Busy line indicator. Dimensions (L x H x D) 45 x 125 x 125mm. Length of the flexible stem 350mm.