Has anyone seen any impressions of the Singxer SDA-1 DAC? Should have a solid USB implementation, uses the AK4490 DAC chip, and has balanced output. Seems like a pretty good option.

It's been a few years now since we got the HD800 and T1, and it seems to me that all new headphones being released are planars or low impedance dynamics, like the Fostexs or K812.    Do you guys think we'll see new high impedance headphones anytime soon? It would be great to see something like...

Another new Audio GD product:  http://www.audio-gd.com/Pro/SA/NOS1704/NOS1704EN.htm   Kingwa has been very busy lately! This one seems to be aiming at a very musical sound - maybe a competitor to the D18?

Audio GD has presented a couple of new products today, I think, the Compass 384 and NFB 3 (384), with the PCM5102 DAC chip. Does anyone know any other products that use this chip? How does it compare to Wolfson or Sabre DACs?

I wonder which headphones are best for low-level listening. I'm finding that with warmer headphones I listen at louder levels, which in the end make the warmer headphones more fatiguing than brighter headphones - although I would have expected the opposite.   Is a U-curve preferable on low...

I'm currently using a Xonar Essence ST + M-Stage + AH-D5000 combination that I'm looking to improve. I'm thinking of adding a separate DAC and still keep the Essence ST as a low jitter source. Still, the Essence ST is fairly good.  I've been looking at Audio-GD NFB 3 and Schiit Bifrost, but do I...

Long time lurker and very recent member here. My current rig consists of the Xonar Essence ST, Matrix M-Stage, and Denon AH-D5000, a combination I got after extensive head-fi reading and have been very happy with.    Still I've got the feeling that the D5000 could use both a better amp and...