Features: Universal nondestructive support a variety of models installed. The use of high temperature pure copper silver coil, large diameter, high efficiency conductive sound, minimize distortion. Speaker terminals symmetrical rule to provide symmetrical terminals, simplifying the installation step to effectively insert the right, very simple, the surfaces of aluminum, high efficiency conduction. Double output,clear and full of treble, soft and nice to hear, bass calm and powerful, strong explosives. Strong performances in the low treble. Specifications: Material:ABS,Metal Out Power: 400W Speakers Types: Coaxial Speakers Frequency Range (Hz): 60Hz-20KHz Impedance: 4Ω Item Size: 5 Inch Quantity:1,2(optional) Package Includes: 1x or 2x Car Speakers note: Please allow 1mm errors due to manual measurement. Due to the difference between different monitors, the picture may not reflect the actual color of the item.