Evans EQ3 Resonant Coated White Bass Drum Head, 20 Inch Product Details Size: 20 Inch Brand: Evans Item Weight: 1.9 pounds Product Dimensions: 23 x 0.9 x 23.2 inches Shipping Weight: 1.7 pounds Origin: USA Item model number: BD20RGCW 20" resonant drum head with a single ply of 6.5mil film A fixed, internal overtone control ring is made to be microphone friendly, from the studio to arena The 5" offset mic port features a plastic sleeve focuses pitch and enhances the attach while providing protection for the port Available in a frosted, onyx, smooth white and coated white version All Evans drum heads are designed, engineered and manufactured in the USA Size: 20 Inch A 7mil resonant head with an offset 5" microphone port and an internalovertone control ring, the EQ3 delivers a warm and punchy sound with acontrolled, short decay that's ideal for both live and studio applications.The coated versions deliver additional warmth, focus, and depth. From the Manufacturer Evans 20" EQ3 single-ply coated white resonant bass head offers a warm andpunchy sound with a controlled, short decay that's ideal for both live andstudio applications. Evans EQ3 resonant series features an offset 5" microphone port in a singleply of 7.5mil film. The series is a very popular choice for both players andengineers. Available in multiple finishes. For over 40 years, Evans has been a pioneer of drum head manufacturing anddesign. Known for innovative designs such as EMAD, EC2S, and the Hydraulicseries, Evans drum heads are made in the USA in a state of the artmanufacturing facility. Acquired in 1996 by D'Addario and Company, the globalleader in musical instrument accessories, the Evans brand is synonymous withquality and consistency.