Yes I know what you meen, After reading some of the horror stoies in this tread I was woried about base and pixles and battery and and ... Mine turned up on saterday (UK too) and to be honest noting is broken but I dont feel like the SQ us up to HiRes files.
The base is OK but it feels like a bit too much and it bleads into the mids a bit. All sounds a bit congested to me.
If I bypass the DAC and use a shanling U2 or even a Qudelix or Fiio BTR7 over LDAC it sounds much better. Could just be my ears though
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Im testing with 64 Audio a12t's and Sure 535 ltd's. Then I added developer mode to it to see which codec it was using for BT. Tried the WF-1000XM4's.
Im afraid It will have to be used just for Audio books if I cant improve the SQ some how. Still playing and defenetly open to advice though.