It seems that the unit is a little too large for the cradle. When I have disconnected the unit from the cradle and re-attach it, I'm losing the left side speaker. When fiddling with the unit on the cradle (it can be moved slightly) the left speaker comes back.

The unit does not fit very tight to the cradle it seems. Anybody else with this problem? Never noticed it om my SMH-10!

Love the 20S for it's functionality but this problem and the fact that it cannot be used in the rain makes me hate it at times ...