Evans MX2 black marching bass drum head produces a bright focused tone with pronounced attack. This 2-ply series includes a unique tone damping system that can be manipulated by applying individual felt arcs (included) to enhance articulation and focus low-end for both indoor and outdoor marching. For over 60 years Evans has been an innovator in drumhead manufacturing and design. As the creator of the first synthetic drumhead and other revolutionary products such as EMAD Hydraulics and the UV1 series Evans drumheads are designed with the intent of solving problems for drummers. Regarded for high quality and consistency all Evans drumheads are made in the USA and feature Level 360 Technology. 20 drum head with two plies of 7.5mil film Bright tone and pronounced attack Unique modular foam arc dampening system is easily manipulated Also available in a white version All Evans drum heads are designed engineered and manufactured in the USA.