Sorry, BramDB, I missed this, just browsed my subscribed threads....Dont know whether you finally bought them...but...
...as far as SQ goes, they seem to be sounding better with BT on rather than the direct cable connection, and the bass seems to be less, but then what can you expect from these small speakers. I use them all the time in my car, 'cause they can be plugged into my car charger or emergency charger and I can also use them as handsfree to take phone calls when streaming thru my phone's BT.
I find that they sound better with Concert DNSE on P3 or maybe you can make a suitable user-created EQ yourself for that player. But the advantage is that you can use the detachable pendant with other non-BT devices. I sometimes plug these to my old amp for streaming music to them thru my P3, mobile phone or Cowon D2 (well, I have a BT transmitter for the last one
and the BT dongle is also a great product as I can listen to FM radio in the car via the speakers using P3, D2, mobile