The UMIK-1 from MiniDSP is an omnidirectional USB measurement microphone for acoustic measurements via plug & play and our top choice for room acoustics measurements. It delivers low-noise and precise results that you can rely on. The UMIK-1 comes with a unique calibration file based on the serial number to ensure accurate measurements. When used in combination with HoRooc, it guarantees the perfect fit. Technical specifications:- Frequency response: 20 Hz - 20 kHz +/- 1 dB with loaded calibration Package contents:1 x UMIK-1 microphone1 x shielded USB cable (1.5 m)1 x mini tripod1 x foam windscreen