Feature 1The adoption of highdensity aerospace magnets, with strong voice performance, and power full. 2The surface of the speaker is crafted from high quality aluminum, with high efficiency conduction. 3Double output, clear and full of treble, soft and nice to hear, bass calm and powerful, strong explosive. 4The details of a complete description of clear for high sensitivity and high voice resolution. 5The symmetrical terminals effectively simplify the installation steps to help insert the right.Item Type: Coaxial SpeakerMaterial: Magnet + AluminumSize: 4inchInstallation Depth: Approx. 47mm/1.85inFitment: UniversalVoltage: 12 VPower Handing:160Watts(max)-80Watts (nom)Frequency Response: 90-20.000HzDistortion: Less Than 1%Impedance: 4 OhmsMaximum Power: 40W .wang-edit-text{ font-family:'Arial' !important; } .wang-edit-text table { border-top: 1px solid #000; border-left: 1px solid #000; } .wang-edit-text table td, .wang-edit-text table th { border-bottom: 1px solid #000; border-right: 1px solid #000; padding: 3px 5px; } .wang-edit-text table th { text-align: center; }Package List1 x Coaxial Speaker