Bagpipes of Blasting

You can use an action to speak the command word and blow into the pipes to expend a charge, which emits a thunderous blast in a 30-foot radius centered on you that is audible 600 feet away. Every other creature besides you must make a DC 15 constitution saving throw. On a failed save, a creature takes 5d6 thunder damage and is Deafened for 1 minute. On a successful save, a creature takes half as much damage and isn't Deafened . Creatures and Objects made of glass or Crystal have disadvantage on the saving throw and take 10d6 thunder damage instead of 5d6.

If the attuned creature has proficiency with bagpipes then creatures make the saving throw with disadvantage. 

Notes: Deafened