I agree to the  terms and conditions and would like to join in the loaner program.

richuurd, I tried almost everything but at the end couldn't get it working with my computer again.  I had tried various usb cables, changed computers, reinstalled usb drivers, etc.  Every other input was working except the USB.   I ended up returning my X1 and they replaced it with a new one...

My Aune X1 Pro mk2 started having the same USB problem as the OP also. Now I can't connect via USB anymore.  I've tried it on 3 different problems and all returned with the same error message.

    I agree with you on your impressions.  That's similar to what I expressed in my earlier post.  I should have looked more carefully at the box before buying it.  It does say "Extra Bass" on the front.  I'm not not liking the extra bass.

  Nevertheless, I was comparing the s680 and the CAL using the same amp/DAC and player.  I'm considering selling s680 because it wasn't up to my expectations and wasn't significantly better compared to the other headphones I already have.  I really want to like it but the extra bass just isn't...

    I don't have the ODAC but I've tried it with plugging in directly to my smartphone and have the same opinion.  I'll give it a try with my Aune T1.   I agree the sub-bass doesn't bleed into the mids but I feel the highs and bass are overshadowing the mids.   I'm prefer the mids on my...

  I have both CAL and HA-S680.  The CAL is more neutral and balanced sounding than the 680.  After 72 hours of burn-in with the 680, it has becoming less thumpy but I would still say it exhibits more bass and sub-bass than the CAL.  I'm not a basshead so I had to turn down the bass by one notch...