Chromecast Audio was launched with the New Chromecast 2nd Gen in 2015. It stream music to the speakers is Chromecast Audio. Earlier it was used only to stream music to one speaker but later on Google adding multi-room support.
Now again google comes up with the new partners for its Android TV and Google ChromeCast Audio speakers here at CES 2016. These Products should deliver options later in this year. Google Chromecast Audio already supports Sony and LG who were the first to embrace this technology. Now B&O Play, Harman Kardon, Onkyo, Philips, Pioneer, and Raumfeld are joining the party as well. In addition, Frontier Silicon and StreamUnlimited will offer Chromecast-enabled software and hardware that will allow others to quickly build the technology into their products.
Coming to Android TV Google announced new partners Arcelik, Vestel, RCA, Hisense, TCL, and Bang & Olufsen will sell Android TVs soon in this year.