Types of Surround Sound Systems – 5.1, 7.1, 9.1 channel, Dolby Atmos, and DTS:X
Fluance Signature HiFi Surround Sound Home Theater 7.1 Channel Speaker System including 3-Way Floorstanding Towers, Center Channel, Surrounds and Rear Surrounds and DB12 Subwoofer - Black Ash (HF71BR) : Amazon.ca: Electronics
Help Guide | Installing 7.1-channel speaker system using surround back speakers