Evans EQ2 Batter Clear. The EQ2 Batter Clear is an extremely durable 2-ply head. The external ply is 10mil thick, and the internal ply is 6.5mil thick. It has an internal overtone control ring, a removable EQ muffle ring, and dry-vents. This setup gives the EQ2 incredible versatility, providing a solid sound for the mic with excellent projection for performing live.