This new board ticks all the right quality design features for superb low jitter playback via aynchronous I2S USB on  a Windows machine.   I think all SPDIF or adaptive designs are inherently compromised so its great to see a product that gets the design right.   Could this be the start...

http://www.audio-gd.com/Pro/dac/NFB-2/NFB2EN.htm   Kingwa's boutique DAC design creativity continues with a DAC for every niche. Instead of seeing this as a choice conundrum see it as customer service.

The Audio-gd Reference 5 is a similar but scaled down version of the Reference 7 with advantages on cost and rack space use.   On paper the REF7 is clearly better in terms of design, BUT has anyone lined these two DACs up to hear if there is actually a difference in sound quality?

Can anyone familiar with opamp modding give me some advice please? Ive never modded anything and so got lost in the 179 pages of the opamp thread as to what opamp options would be best for a Denon DVD-5000 which has: Burr-Brown PCM1704J DACs are used, two per channel; μPC4570C's do the...

My wish: All full size headphones and amps to be wired with a standard configuration to save needness complications and incompatibilities. Currently the Single ended - 3 pin XLR - 4 pin XLR options are all flawed. I suggest a standard of 6 Pin mini-XLR connectors at the amp-cable end...

Idea With computer sound cards that have multi-channel ability can the extra amps be used to improve the stereo drive for headphone listening? My motherboard for example has "eight-channel HD audio" via four mini jack outputs allowing eight different 192K/24bit streams. I only listen to...