"Our opinion" With an active Bluetooth audio transmission to the PC speakers are switched off.
But who believes in this codec to experience new worlds of sound, you are wrong.
For everyday music like rock, pop, RnB, techno, etc. you will "almost" hear at a reasonable price investment from the speakers no difference.
With headphones you can hear the difference schon.Hier dissolves the music from the speakers.
In classical or else like I can not write Berurteilung because not my direction.
Incidentally, MP3s should mainly be transmitted, is a high bitrate from the original of Vorteil.128Kbit are here clearly not enough.
Furthermore, the existing hardware and their software also plays a major role.
"Information on the ignorant" (sound alone is not just bass and treble) ...... ;-)
As some write here, these problems with transferring files seem to have.
Since I use this stick only to the audio transmission, I can not give its opinion.
For that I had brought me some time earlier a Hama stick which accomplishes this.
Why do not you use the transfer via WIFI? approximately 20 times faster. (free app)
So for the price of the stick at APT-X audio is absolutely OK.