As I wrote above, the sound when connected to the iphone is quiet. MacBook pro bluetooth is much louder. Adds a little more to the wire. Why so - it is not clear how to fix it. To set up sound output on a poppy in aptx, I had to conjure, the default sbs codec or something like that. (there is no special difference, of course, drive music))) but it is more pleasant that it works to the fullest. On a poppy, you need to install Bluetooth Explorer and set aptx in the settings there (screenshot)
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