Violectric v850B professional DAC

This has the Tenor TE8802 chip which corresponds to 192khz sampling.

This is an immaculate sounding studio grade headphone DAC. Some of the specs include a THD of -122db, frequency response of 4hz to 53khz, and capable of resampling your music up to 4x the original quality for added smoothness and depth and decreased jitter. This can be plugged directly into a PC via USB cable for professional level signal processing. The unit will accept balanced XLR, digital COAX, USB, and TOSLINK inputs, and it can output to balanced XLR, unbalanced RCA, or digital COAX.

Original manual and cables included.

https://www.headfonia.com/review-violectric-v850-improved-successor/

"It’s not the kind of DAC that WOW’s you with one or two specific things, it’s a DAC that just always performs on the highest level... The V850 in that regard is resolving, transparent and clean and isn’t adding anything to the sound signature itself, it just brings out the best."