I’ve been running OpenElec 6.0.3 on my RPi3 B and it’s working like a dream. Except for one thing: analog audio.
Audio via HDMI is perfect: clear, as loud as you want, leaving nothing to be desired. But on the analog jack it’s terrible. If I crank my amplifier up to maximum (which in all other cases means it’s now loud enough to kill a cow at a hundred paces) I can just barely make out the sound in the background noise.
The amp isn’t to blame; even a dynamic mike connected to the same input as the Pi is now on is louder.
I’ve tried various settings (Settings -> System -> Audio Output – Audio Output Device). When I select ‘Pi: HDMI’ or ‘ALSA: default’ I get no analog audio at all (just background noise when I crank up the amp to eleven). Selecting ‘Pi: analogue’ gives me the above (barely audible analog audio) without sound over the HDMI TV (as expected); selecting ‘Pi: HDMI and analogue’ gives me the above (barely audible audio) from the analog audio jack and full volume via the HDMI TV.
This is really a problem for me, because the speakers in my HDMI TV are terrible, and I really want to use my stereo system in order to have decent sound quality. 
What’s going on here?
All suggestions and pointers into the right direction would be appreciated!!
// FvW