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I'm don't know what is available, but I cannot see reason why not. CD quality requires bit rate only of 1.4Mb/s while Bluetooth can go as high as 25Mb/s. Transfer itself doesn't matter since timing is attached later (data transfer in packets). Sound will depend on stability of this timing only, assuming lossless compression.
I stay away from Bluetooth streaming because all aptX codecs are severely hindered. They don't allow for raw streaming of PCM data. I use wifi to stream PCM to a dac without any compression. Now saying that, if implemented properly, aptX doesn’t sound bad but why use it when I can just use wifi streaming?
I have a Bluetooth speaker I use that sounds very good for what it is (Harmon Kardon Onyx Studio 2). It uses Bluetooth 3.
I also only use wifi currently to my good hifi systems but am optimistic with the latest and greatest Bluetooth technology for hifi sound from what I read and may give something like the Audio Engine a shot at some point and see what I might hear. :^)
Clearly, Bluetooth is designed to function with less power and range is more limited compared to wifi.
Mapman .. various really, some friends have Android phones and others, like me, use an iPhone. Apple only does Bluetooth 4.0 and not APTX but the W4S gizmo makes quite a difference either way IMO. Very handy during a party or casual get together! I took a chance on it because their other reclockers have garnered quite a bit of praise and rightfully so.
I feel you should try the newer units from Auris, Arcam, Audioengine, etc. These are phenomenal units. I recently purchased the Auris bluMe for my system and I simply cannot stop streaming Spotify, FolkAlley, etc. I am amazed at the sound quality of the unit. I have not compared this to hi-rez stuff. But at least it comes close to standard CD and you can audition new music (new to you, but maybe been there forever) all the time. Ignore advise from the folks who have not heard the newer units. You want to enjoy your music or your resolution? You can always listen to BT music and then purchase hi-rez copy of the music knowing that you will like what you just heard.