I use the Sony Walkman app in direct mode, i.e., without any tweaks. BT connections with my A306 always stable.I find completely opposite. My WF1000XM5 and Fiio BTR7 with IEM's over LDAC at 990 sounds same as from my S23+ LDAC 990 if using Sony in DIRECT as I do, just that way more stable connection with my S23+
If you use any of the Walkman audio tweaks (Walkman app only) then I believe they are effective over BT too. So maybe the sound you prefer with Sony Sound adjustments, or do you use in DIRECT mode?
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