Pairing my Bluetooth wh-1000XM2 headphones to Str-dh190 amp. Both bluetooths won’t connect ?

[HannahEd01]

The Bluetooth versions/ profiles don't match, check the specs here page 38: https://www.sony.com/electronics/support/res/manuals/4726/f63b8edb2b154409daa55875111f95e4/47269071M...

And here: https://www.sony.com/electronics/support/res/manuals/4697/ab6774ce4b301f1fbd7077db04403898/46972494M...