5.1.2 vs 7.1.4 Atmos: When More Height Speakers Actually Matter
Going from 5.1 to 5.1.2 is the single biggest upgrade in home theater immersion. 5.1.2 to 7.1.4 is a much smaller jump. Here is when each Atmos tier is worth the money, which AVRs you need, and how room size determines the right channel count.

