Great seller. Prompt reply, quick shipping, and most of all great deal. :D

3.5mm to 3.5mm cable is working fine and no hiss so I'm guesing the USB cables that I'm getting is just lousy.

Cool, thanks for the tips!

anyone else get lousy usb cable from the mobius box? Using USB A-C cable - static everywhere vs samsung USB A-C cable works great. Using USB C-C cable - hissing all the way through, I don't have any other cable so can't compare. But using bluetooth sounds great.

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Because I wanna change my avatar!

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Finally got balanced cable from Pono to AH MM400, I notice improvement on the soundstage and tighten the bass.   @djenkov Mine already about one year old and it got blackish on the wood cup. Probably should properly take care the wood cup since the beginning (for the look).  But even though...

Btw I got replied from Denon Japan about the balanced connection inquiry and from the pin layout I think it is wired for balanced connection but I'm not so sure, please advice. Here is the pin layout that I got from them:  

  I don't know how bad is your D2000 broken down, but maybe this https://sugru.com can help to fix? Last time my D2000 screw loosen after number of test mods that I was doing and I put some bluetac to help the screw together, not ideal but enough to fix.

username: kupleh I would like to see hifiman he400s (or md special edition) on the drop

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  Cool! I think mine also already settled down. It is great headphone.

  And you are using the same system (DAP/Amp) when auditioning?