Originally at $995 retail this award winning Mytek Liberty DAC (digital to analog converter) features USB2 Class2, SPDIF, AES and Optical digital input, PCM and DSD conversion and full hardware MQA decoder and high quality headphone amplifier. Compact and handy DAC excellent for desktop music listening and music production. This product has been refurbished and updated by Mytek to current specs. Several refurbished units are available all in mint condition and new original packaging. Sold by Mytek from Mytek Brooklyn office with 1 year warranty. More information and the manual are available here: https://mytek.audio/legacy-products