Description:3inch 4!#!amp!*!Omega; Full Range Audio Speaker Medium\/Bass Stereo Loudspeaker 30WSpecification: Impedance: 4 ohm Power: 30W Diameter: 84mm Diagonal Hole Pitch: 88mm Height: 40mm Magnet Diameter: 60mm Sound Hole Diameter: 75mmFeatures: 1.Make of Carbon fiber and metal material、durable and easy to install. 2.Suitable for replacement of old speakers、 assembled houses、 automobiles、 ships、 and so on. 3.You can freely adjust the bass and midrange、 as a creative DIY speakers.Package Included:1!#!amp!*!times;Full Range Audio Speaker More Details: