Features: 1.Fine Workmanship: Built in capacitors attenuate the low frequency range to ensure optimal sound reproduction over a wide frequency range, with high sensitivity. 2.Practical: The interior tweeter is especially designed for 2 way system cars, it is the perfect balance between high fidelity sound with a compact design. 3.Practical: Able to withstand high temperature while maintaining its strength and fatigue properties, giving it the advantage of longer play time and lighter weight. 4.Application: Resistant to overload, compact design and lightweight, it can perform well in various music styles such as classical, jazz, country, rock, etc. 5.Installation: Easy installation, comes with a paste, that won't damage the skin of the car, or it can be screwed up more securely, ideal for all car audio systems. specification:Item Type: Car Tweeter Material: ABS Color: Black Maximum Power: 500W Impedance: 4 Frequency Range: 5-20KHz Sensitivity: 97dB Application: Universal fit for car audio systems PackageList:2 x Speaker 2 x Screw 2 x Fixing Base 2 x Sticker