specification: impedance: 600Ω Polar pattern: hypercardioid frequency response: 60hz=13khz sensitivity: -69db(+/-3db) (0db=1mv/pa at 1khz)features: 1.dsp mixer device & sixteen kinds of hardware real time reverb fxs; 2.phone/pc karaoke function on-line; 3.plug and play or standalone operation mode; 4.low distortion professional preamp circuit; 5.zero-latency audio monitoring; 6.High-resolution 48kHz converter for high-end audio quality; 7.2-band eq: high and low; 8.hear and sound clear when talking online; 9 enjoys enjoying music or movies in a stereo sound environment; Free audio recording software; Flexible audio interface connects your instrument to your computer; 12. Special designed PC control panel which is easy to operate and more convenient.