This car speaker system has high sensitivity and fine sound, perfect voice resolution and excellent voice performance, suitable for multiple music styles. Material：magnet, aluminum, plastic, Weight: 0.06Kg, Color：black Max power：180W , Voltage: 12V, Impedance: 4 Ω, Sensitivity: 90 db, Frequency response: 4000hz-26000hz External diameter: 45mm, Opening size: 4.3mm, Installation depth: 13mm Suitable for kinds of musical styles, popualr, classical, rock,etc. Can be used at home or used in your car. Product Description Professional car speaker tweeters Specification Type: DDT-S30 Material：Aluminum magnet and plastic Color：Black Max power：180W , Voltage: 12V, Impedance: 4 Ω Sensitivity: 90 db Frequency response: 4000hz-26000hz External diameter: 45mm, Opening size: 4.3mm Read more Feature High sensitivity, perfect voice resolution and excellent voice performance.C ompact size, easy to install. High sensitivity, CD pushable.H igh-hardness protection net to protect the speaker from being squeezed by external forces.G ive your car's audio system extra bump with high power, when you drive down the open road.S uitable for kinds of musical styles, popualr, classical, rock,etc. Can be used at home or used in your car. Read more Easy to Install Installation depth: 13mm The positions are the original installation positions of most models, which can be directly replaced and installed, original installation position of the car meets the requirements. Car stereo speaker mounting options Flush Surface Use without the pods to fit in tight spaces 1 pair of car tweeters All the mounting accessories and hardware are included, everything is in a well packaged box. Read more