Los nuevos Mac Mini utilizan tecnología Apt-X para transmitir audio por Bluetooth:
http://www.aptx.com/ (http://www.aptx.com/)
New Mac mini features better Bluetooth stereo
http://www.zdnet.com/blog/apple/new-mac-mini-features-better-bluetooth-stereo/7506 (http://www.zdnet.com/blog/apple/new-mac-mini-features-better-bluetooth-stereo/7506)
Summary
The new (mid-2010) Mac mini now streams high-quality wireless audio thanks to a professional-grade audio coding technology called apt-X. Apt-X worked directly with Apple to implement, tune, and optimize the Bluetooth for ideal stereo experience.
http://www.bee-wi.com/home.htm
Esto hace algo parecido. Y más barato, aunq la calidad será algo peor