Quote Originally Posted by vanyell
uh... excuse me, 2 questions.

could a bard casting summon instrument summon one of these?

and

isn't enlarging any sonic spell overpowered for 25 or 200 gp?

buy one, use it to cast your spells then put it away for combat.
Yes, and that's probably true. Let me fix that. How does +1/die sound?

EDIT: And it's not any sonic effect, only ones specifically cast from the warbell itself.