The Zebra DM38 dynamic unidirectional microphone offers unidirectional polar pattern that reduces the pickup of undesired off-axis sounds. It?s well suited for on-stage vocal and instrument uses as well as the karaoke enthusiast. This microphone features an impedance of 600 Ohms, a sensitivity of -53dB ? 3dB, and a frequency response of 40Hz ? 17KHz.