The SK65 is a 6.5-inch, 2-Way, high performance pair of coaxial speakers engineered for an enhanced listening expierence by Skar Audio. These 6.5-inch speakers feature a powerful ferrite magnet, butyl rubber surround and pulp fiber cone, a 1-inch copper voice, as well as a premium silk dome tweeter for crisp and clear highs. These coaxials make for not only great factory replacement speakers, but also for a superior upgrade to previous aftermarket speakers already existing in your vehicle. Sold as a pair. Sensitivity: 88 dB, Frequency Response : 50 - 20,000 Hz, Impedance: 4 Ohms, Mounting Depth: 2.36 inches, Cutout Diameter: 5.70 inches. 20mm high grade silk dome tweeter. Peak Power: 160 Watts (Pair), RMS Power: 80 Watts (Pair). Includes Metra 72-7800 Harness for Simple Installation.