You'll also need a phone that supports Apt-X for that to make a difference (Apple phones don't, some but not all android phones do). The new technology is Apt-X HD or some Sony codec whose name I can't remember.
Personally I'd go with the Raspberry Pi option coupled with an optical output (this kind of thing https://www.hifiberry.com/products/ ) to the amp. It doesn't tie your phone up (other than for control) and is a bit more versatile. Loads of options such as http://www.pimusicbox.com/ to install on there.
You'll also need a phone that supports Apt-X for that to make a difference (Apple phones don't, some but not all android phones do). The new technology is Apt-X HD or some Sony codec whose name I can't remember.
Personally I'd go with the Raspberry Pi option coupled with an optical output (this kind of thing https://www.hifiberry.com/products/ ) to the amp. It doesn't tie your phone up (other than for control) and is a bit more versatile. Loads of options such as http://www.pimusicbox.com/ to install on there.