in this pack you get a Yamaha RX-A 1060, a 7.2 amplifier with zone 2. With built in wifi it can be controlled with Yamahas MusucCast or AV Controller app. With Bluetooth, Spotify connect and Airplay you have music streaming covered. The Focal Aria speaker pack is a marvel of French design and engineering. The use the propriety flax speaker cone whose warm yellow colour matches the sound it produces. Velodyne make Subwoofers and nothing else the included SPL 1000 Ultra is there 10 inch sealed sub that matches the Focal Arias perfectly. Links to all the product pages are above and they contain full specifications.