I have purchased a bluetooth speaker and have successfully connected it to laptop. Sound is very poor via bluetooth. Via 3.5mm jack is very nice.
I had to install blueman for communicating with JBL. Pair was OK. Sound profile is: HSP/HPF. Change to A2DP sink not works: Failed to change profile to a2dp_sink.
Sound speaker: JBL charge 2+
Device: Dell N2-5559-N2-522K-Silver
OS: Ubuntu 16.04.1
Kernel: 4.4.0-45-generic
Sound via bluetooth and Windows 10 is OK. Why has sound a poor quality? Thank you.