The Groove Pro GPMB2012 is a 20” × 12” marching bass drum crafted for deep resonance and strong projection. Built with solid poplar shells and durable hardware, it delivers reliable performance for school bands, parades, and marching ensembles.

Specifications

• Size: 20” × 12”

• Shell: 9-ply poplar

• Rim: 1.2 mm steel

• Lug: Die-cast zinc

• Comes with Carrying Strap, Drumstick and Drum Key