A:AnswerYou will have space, but this unit it's recommended to have room for ventilation. This units generates heat. Make sure you keep cabinet door open when you use that unit
A:AnswerThe name of the app is "MusicCast CONTROLLER" and it has a multi-hue purple icon with a large M under the name YAMAHA.
https://play.google.com/store/apps/details?id=com.yamaha.av.musiccastcontroller&hl=en_US
A:AnswerIf you have a passive sub with high level input and output, you could run speaker wire from the left and right speaker to sub, then to the speakers
A:AnswerIf you have SVS speakers, you should be looking at the 6 or 7 series. In any case, I don’t think the 4 series can provide sufficient power. If you are using a sub, bi-amplification is a waste anyways.
A:AnswerAn RCA cable from the “pre out -subwoofer” jack on the receiver to either the left or right RCA input on your subwoofer ( check your manual for the correct one to use) will do the trick if it’s a powered sub.