The Nagra HD DAC, shown with Hifiman HE1000 headphones . The HD DAC handles digital files with up to 384-kHz/24 bit, and DSD x 2 resolution. The connectivity suite covers all the bases: digital inputs include two RCA coaxials, two XLRs, one optical, one Nagra 12S, and one USB digital; analog outputs include a 6.3mm headphone jack, RCA and XLR stereo pairs. HD DAC is a bit smaller than most home components, it's 12.2 by 13.7 by 3 inches (277 by 350 by 76mm).
