Technolink TC-756USB RIAA Moving Magnet Phono Preamp with AUX Input and USB (Computer) Output RIAA freq response: 20hz-20,000hz +/- 0.25dB, MM phono gain: 39dB Resolution: 16 bit with selectable 32/44.1/48 kHz sampling rate, USB compatibility: 2.0 and earlier Software record level control AND analog output attenuator AC adaptor, USB cable, and stereo RCA cable included; one year repair/exchange warranty OS compatiblity: Windows 98SE/ME/2000/Server2003/XP/Vista/Win7/Win8; Linux; Mac OS X