I also bought BL-01 at AK Audio Store at 11.11 , and a a couple of days after I bought a second set from another seller.
And the fact is that the second pair is more lively and airy sounding, better soundstage, faster and more textured bass, and less recessed mids compared to the first pair I received.
I guess it's a matter of QC , but it annoys me to the point that I don't feel like listening to my first pair again...
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And the fact is that the second pair is more lively and airy sounding, better soundstage, faster and more textured bass, and less recessed mids compared to the first pair I received.
I guess it's a matter of QC , but it annoys me to the point that I don't feel like listening to my first pair again...