Built with a single ply of Evans ShockWeave Mesh, combined with exceptional Kinetic Transfer Foam technology, dB One low volume bass drumheads offer quiet drumming, while still maintaining true acoustic tone and feel. Evans dB One bass 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 the audible attack and articulation of each hit, you can practice naturally and quietly, whenever and wherever you want., Using a single-ply of Evans ShockWeave Mesh combined with Kinetic Transfer Foam™ (KTF), dB One bass heads transfer impact energy into sonic vibrations for dynamic, low volume drumming., Special Impact Patches reinforce the striking surface of the bass head, while enhancing the audible attack and articulation., Evans dB One low volume bass drumheads maintain true acoustic drum tone, with a natural feel., Our mesh drumheads allow you to play as you normally would with a traditional drumhead, without changing your technique, and achieve a similar feel and sonic response., All Evans drumheads are designed, engineered, and manufactured in the USA.