Detail 01
14-inch shell depth
The shell depth remains 14 inches across the Quantum Mark II bass-drum sizes.

Independent shopping perspective
Built for the marching ensemble, this 30-inch Quantum Mark II bass drum combines a 14-inch-deep, six-ply maple shell with birch reinforcement edge rings. Its SONIClear bearing edge lets the head sit flatter on the shell, supporting a warm, resonant response. Size-specific air vents keep the tone focused while reducing sustain. External eyebolts make player-height changes accessible without taking off the heads, which is useful when fitting the drum during rehearsal.

Strong match
What matters in use
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 01
The shell depth remains 14 inches across the Quantum Mark II bass-drum sizes.
Detail 02
The drum is fitted with aluminum alloy hoops.
Detail 03
The hardware has a gloss chrome finish.
Final check
Product questions
Straight answers to the questions shoppers most often ask about this product.
Yes. Its eyebolts adjust externally, so height changes do not require removing the drumheads.
It has Remo UM Smooth White heads carrying the Mapex logo.
Reference
The complete catalog record, organized around the decisions musicians make when comparing gear.