Metamagic, Thundering
Aura: strong (no school)
CL: 17th
Slot: none
Price: 9,000 gp
Weight: 5 lbs.
Construction Requirements: Craft Rod, Thundering Spell; Cost 4,500 gp (lesser), 16,250 gp (normal), 36,500 gp (greater)
Source: Advanced Player's Guide
Description
Price: 9,000 gp (lesser), 32,500 gp (normal), 73,000 gp (greater).
The wielder can cast up to three spells per day that deafen affected creatures as though using the Thundering Spell feat.