Since receivers can last a long time, it's a good idea to get as many channels as you can so you have the option to upgrade to more surround sound in the future. We recommend at least a 7.1 ...

Some AV receivers also don't support 7.2 systems ... That's why if you have the budget, and the space, we recommend a 5.1 or 7.2 surround sound system – or a full-fat Dolby Atmos speaker ...