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Hello! Just a question. I have an Arc, 2 Play:1 and a  Sub (gen 2). Is it 5.1 or 7.1 ? Thanks in advance!

Hello! Just a question. I have an Arc, 2 Play:1 and a  Sub (gen 2). Is it 5.1 or 7.1 ? Thanks in advance!

It’s a 5.1.2 Setup in use of Atmos. Without Atmos it is 5.1. 

To get full advantage of 7.1.4 Atmos sound you would have to replace the Play1 with at least 2 Era100 (side rear channels and back highs channels just virtual) or with 2 Era300 (real 7.1.4). 


https://www.sonos.com/en-us/blog/5-1-vs-7-1-surround-sound


Thank you!