User blog comment:JQuake101/Most Powerful Sonic Scream In The Arrowverse?/@comment-28501280-20170708023350

Dinah's can't go as high as Black Sirens. I forget the amount stated for each but she was able to counter (maybe overpower) Dinah's while Dinah was wearing an enhancer. Evelyn enhanced Laurel's original collar, but it's still the weakest (just about Laurel's, an enhancement of Sara's). I think Silver Banshee can only take down a single person, while Black Siren was sent to take down several buildings at once in Invicible, and I don't doubt she could. So I think Black Siren's is the most powerful