Evans EMAD series features a single ply of 10 mil film providing an ideal balance of punch, power and low-end. The unparalleled industry standard Externally Mounted Adjustable Damping (EMAD) system allows the player to adjust attack and focus. The Onyx version is the perfect aesthetic and sonic compliment to the Onyx tom heads and Onyx bass resonant. • MFSKU BD20EMADONX • UPC 019954960025