EVANS EQ3 Resonant series features an offset 5" microphone port in a single ply of 10mil film. This drumhead series is a popular choice for both players and engineers. Made using a single ply of 10mil film Microphone friendly, from the studio to arena The 5" offset mic port features a plastic sleeve that focuses pitch and enhances the attack while providing protection for the port. Available in a smooth black, onyx, smooth white, and coated white version. EVANS drumheads are designed, engineered, and manufactured in the USA.