Product: Home Cinema Check for Apple TV

The problem: How to check surround sound on your Apple TV?
You may know the problem. You are on your couch. A Hollywood blockbuster is running on your television and somehow you get the slight feeling that something isn’t right with your surround sound setup.
Are you sure all speakers are connected properly to your amplifier and that surround sound is properly setup on your Apple TV? Are your amplifier Settings optimized for Apple TV?
How can you be sure that each speaker is working?