Streaming Music through my home stereo

Ok, researching this streaming music thing is giving me a headache. I really know nothing about it. Right now I have my iPad connected to my Rogue Pharaoh integrated amp via a Y jack streaming Apple Music. It works, but I'm sure there's something better.
I've been a fan of Apple Music so I hate to change, but I keep hearing about Bluesound Node 2i. Is this piece compatible with Apple Music and if not what is? Is there something out there that I can control with my iPhone?

Thanks for the help...