The Skar Audio RPX65 6.5-inch 2-way coaxial car speakers are great factory replacement speakers when looking to upgrade the sound in your vehicle. Providing rich, clear, and powerful sound. They work great on factory radio power or amplified power, and feature high quality build materials such as a microfiber paper cone and premium butyl rubber surround. All of these aspects of the speakers design allow it to offer great sound and long lasting reliability. The speakers feature a 20mm aluminum dome tweeter. Frequency Response: 40-20,000 Hz. Sensitivity: 89 dB. Sold as a pair. Impedance: 4 Ohms. Max Power: 200 Watts (Pair), RMS Power: 60 Watts (Pair). Peak Power: 200 Watts (Pair), RMS Power: 60 Watts (Pair) Speaker Impedance: 4 Ohms | 1" KSV Voice Coil Microfiber Paper Mid-Woofer Cone & Butyl Rubber Surround 3/4" (20mm) High Grade Aluminum Dome Tweeter Sensitivity: 89 dB, Frequency Response: 40 Hz - 20,000 Hz