CAD Audio U37 USB Studio Condenser Recording Microphone Large condenser microphone element for warm, rich recordings Cardioid pick-up pattern minimizes background noise and isolates the main sound source Smooth, extended frequency response is excellent for singing, speech and instruments It has 10dB overload-protection switch minimizes distortion from loud sound sources Bass-reduction switch reduces room noise The U37 is Windows and Macintosh compatible, with no software to install--simply plug it into any available USB port, select it as your input in your software settings, and you're ready to create your own audio.