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Probably Not able to use it properly

Well, I'm using Sony wireless (white ones, i forgot the model name as left it in my bath room)

I tried to use it with USB microphone to monitor it

but when i set it up as above(wireless headphone as output)

audio sounded like crackle, means it's like that audio plays improperly under small ASIO buffer size which can't handle by the cpu power on PC, so basically I couldn't use it at all

I think it's better to export a song to itunes , then monitor or listen to it with wireless headphones

hope this answered

cheers ;)
 
Sony Crackle Issue

I think there's a solution to the crackle issue. The Sonys have two profiles, headset and headphones. I found someone who fixed the issue with their Sony DR-BT50:

"The bluetooth headphones I was using had two profiles (Headset and headphones) and while I could select the profile to use for the system output device, Logic and Garageband both defaulted to the headset profile (presumably the first profile presented by the headphones). The reason it was so garbled was because the headset profile uses a sampling rate of 8KHz, but GB/LP only output in 44.1KHz.

The solution was to un-pair (delete the pairing) of the headphones and re-pair, only this time I only selected that OSX should use the headphones profile only , and not the headset profile. Subsequent starting of GB/LP and setup of the output device presented no issues and I can now listen to my creation using my bluetooth headphones. Hooray!
"

I'm thinking about buying the White Sonys as well.
 
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Garageband & Bluetooth

I've been trying to set up an Ecoxbt Bluetooth speaker with my Macbook Pro so that I can play back Garageband songs but it seems that the only way I can do this is to 'share' the GB songs to iTunes first.
 
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