I had 3 great years with my Concero HD.  Worked flawlessly and was very musical.  Was even better after I added an AqVox low noise power supply.  In the end I couldn't resist upgrading and picked up a new Hegel HD25 for a steal ($1100).  It's a nice, clear step up  - no doubt about it.  But it's...

Amigastar, For my system, the Aqvox has brought much more than warmth. It's brought a much higher level of detail and insight into the music - it's an altogether bigger sound - I really wouldn't go back.  When I bought the Aqvox, I was fully prepared to send it back to Germany if I felt it was...

OK, got it.  Thanks

Is that a new Mac driver for the Concero?  I thought the latest was v2.8?

Hey Amigstar,   I'd give it another shot, if I were you - before you let it go. But fact it was glued together is suspicious.  Another strange thing...the Aqvox site talks about turning the plug around to ensure the right polarity.  I've got to say, this makes zero difference in my setup...

It's very strange how product combinations vary, depending on all the other pieces in your system.  I've had the Concero HD for 2 years, and it's been very good.  Now it's simply great.  Clear step forward.  I'll be fascinated to hear if the IFI is any better than the Aqvox in yours, if you get...

Just added an Aqvox to feed power to my Concero HD.  In my system, it makes a phenomenal difference - best $120 I ever spent.  Honestly hard to imagine what more you could ask from a DAC.  I'd love to compare with some of these new Schiits, Myteks and Chords.  Most products are over-specified...