A:AnswerNetflix, YouTube, Amazon,... basically any streaming service is available. And if it isn't preinstalled, it lets you choose to install whatever other apps you want(within reason)
A:AnswerPretty sure only optical out. But does have bluetooth and you can Bluetooth a sound bar or headphones. Not 100 percent on headphones couse tv sad when I was in speaker settings speakers but I belive it would do headphones.