This instrument can be struck once every 10 minutes, and its resonant tone lasts for 3 full minutes. While the chime is resonating, no spell requiring a verbal component can be cast within a 30-foot radius of it unless the caster can make a Concentration check (DC = 15 + the spell's level).
Caster Level: 7th
Prerequisites: Craft Wondrous Item, shout Market Price: 15,800 gp; Weight: 1 lb.