Echoing lutebow

Weapon (shortbow) Rare (15.000 gp)

This bow is designed to play soothing melodies with each shot, weaving bardic magic into every arrow. The Echoing Lutebow grants a +1 bonus to attack and damage rolls.

Additionally if you have the Bardic Inspiration feature, you receive:

Harmonic Volley: Once per day, the bard can fire an arrow that resonates with musical energy. Upon hitting a target, the arrow explodes into sound waves, dealing an extra 2d6 thunder damage to the target and all creatures within 6 sqr. (9m). All affected creatures must succeed on a DC 14 Constitution saving throw or be deafened for 1 minute.