FYI. The cable is not detachable. 

Audinst HUD-mx2 http://audinst.com/en/bbs/board.php?bo_table=HUDmx2&wr_id=5   20% off  http://www.ebay.com/itm/Audinst-HUD-mx2-Hi-Fi-USB-Audio-DAC-/181089835201?pt=US_Home_Audio_Amplifiers_Preamps&hash=item2a29cb98c1

I tried this beyer 770 LE recently, after reading the good reviews so far. I was hoping that it could replace my m50 or k550.    However, it didn't impressed me on my first try. I dislike the normal beyer cans but not this 770 LE. This 770 LE sounded neutral to me. Not as sibilant as my...

Quote:   Recently, I was auditioning some closed cans and I had tried the Shure 940, DT770 80ohms, AKG K550, Denon 2000.    Here's my take.   For clarity and treble, I find Shure 940 and Denon 2000 to be the best. DT770 has too much sibilance which I find it quite irritating for...

Here's my impression on the M-stage.   I had it for about 3 weeks. It's the amp only, 2012 version with vents. I also have the audio-gb NFB-5, a amp/DAC. So it's PC > NFB5 > M-stage > AD900/T50RP/HD600   I have the stock op amp, 627, 4562, 49860. I was quite disappointed when I first...

I have one. No, actually I have 2. The second one was suppose to be the replacement. However, it's still producing too much "hum" and "hiss" or noise. It could be some grounding issue or RF interference, my guess.   The gain on this thing is quite high. The volume pot also sucks, i get L-R...