A:AnswerFrom the research I've done, you can only add a subwoofer to this speakerbar, not any other additional satellites. (It simply doesn't have the outputs for them.)
A:AnswerIt is available now, just depends on when they have stock of it. I've seen it online with the add to cart option available two times in the past week. First time i missed it, second time I jumped on it. Just have to be patient and hopefully find it