Kurzweil KM1U

Capsule:Pure gold plated 34mm (1-3/8 inch) pressure-gradient diaphragmPolar Pattern:CardioidA/D/A Conversion:24Bit, 44.1K, 48K, 96K, and 192K sample ratesUSB:2.0, bus poweredControls:Mute, Output Gain, Headphone Volume, Low Cut Filter (-10dB @ 100Hz) , -10dB padCompatibility:Windows XP, Vista, Win7 / 8 / 10 and Mac compatible. Plug-and-Play. Supports ASIO audio drivers.Frequency Response:20Hz-20KHzSensitivity:-34dB±2dB (reference 0dB=1V/Pa at 1KHz)Equivalent Noise Level:Less than 16dB SPL (A-weighted)Distortion:Less than 0.5% THDInput SPL:Max 132dB (at 1KHz for less than 1% THD)S/N Ratio:100dB (at 116dB SPL and 1KHz, A-weighted)Headphone Output Power:Max 105mW (32 Ohm headphones)