Hack jammer
From Twilight Heroes Wiki
hack jammer
Plural: hack jammers
Endemic, especially in late 80's and early 90's movies and television shows, hack jammers where talentless fools who would perform terrible songs (usually rap) when they had no business...
Oh, oops. This just makes a whole lot of noise. Much like those talentless hacks I was talking about, actually.
Melee weapon (Bashing, large)
Power: 25
Autosell value: 17
+1 sonic damage
How Obtained
Using Metalmorph with hedge slammer