The EMAD UV bass drumhead is the most versatile and durable single ply bass drumhead ever made. A single ply of 10mil film delivers a full range of musical expression while the patented UV-cured coating provides unmatched durability and consistency. UV1 heads have a very balanced attack, long sustain, nice brightness, and increased durability over the average single ply, plus the freedom to adjust the head’s attack, focus, and sustain with EMAD. This coated drumhead also features Level 360 Technology.