100% on this. The SVS app should have test tones.
While I'm at it, I wish the SVS app would link both subwoofers (if you're using two+) together to make changes to both woofers instead of having to switch profiles.
While I'm at it, I wish the SVS app would link both subwoofers (if you're using two+) together to make changes to both woofers instead of having to switch profiles.