Evans EPPB-DB1-R dB One Rock Pack with Snare Batter and Bass BatterBuilt with a single ply of Evans ShockWeave Mesh, combined with exceptional Kinetic Transfer Foam technology, dB One low volume drumheads offer quiet drumming, while still maintaining true acoustic tone and feel. Evans dB One tom heads are a superior mesh drumhead, engineered to transfer impact energy into sonic vibration flawlessly. Thanks to specially designed Impact Patches, which reinforce the striking surface while enhancing audible attack and