The Evans EMAD bass drumhead gives you the ideal balance of punch, power, and low end. The EMAD is a 10-mil 1-ply head that employs an externally mounted adjustable damping system with two interchangeable damping rings that allow the player to adjust attack and focus. Deliver a singular oomph that'll support the fattest of backbeats, with the EMAD. • MFSKU BD22EMAD • UPC 019954935023