Pfft. Exar Kun's power can actively be powered up to, and I quote, "hundreds of thousands of times". The amulet actively channels his rage, even if the blasts aren't explicitly used, he can just juice up his Force powers.
Sidious, who spent at least thirty seconds of his professional career as a Sith flopped upside down over his own chair by a Force push, should not be a problem. Dooku is not going to be lauded as being any higher, obviously. QED.
Then Bane has sex with their corpses.