This XS655 is a 6.5" Two-Way Speaker System It also falls into the Xenith Series category. High quality and high value come together in the all new Xenith speakers. The product features a 6.5" Open Basket 2-Way Coaxial High-Fidelity Speaker System. The car speakers feature a Black Piano Finish, Acrylic Speaker Cone. The Translucent Smoke Finish Bridges provide a great look for the Two-Way Speaker System. The 6.5" Two-Way Speaker System has a Linear Progressive Conex Spider. The Speaker Driver has Polymide Dome Tweeters. It also includes a Capacitor Crossover Network. In addition, the Super Slim Design Facilitates Easy Door Installation for the 6.5" Two-Way Speaker System. The Extended Frequency Response Speakers provide a great speaker performance. Butyl Rubber Surround produces a great sound. It also includes Complete Pair with Grills, Installation Hardware, and Color Coded Speaker Wire. Featuring an RMS Power Handling of 60 Watts per Speaker. Also, it has a Peak Power Handling of 180 Watts per Speaker // 250 Watts per System. The Frequency Response pushes 60Hz - 20k Hz while the Sensitivity pushes 90 dB. It has a System Impedance of 4-Ohm. The Magnet Weight is 30 oz. It has a Structure Weight of 45 oz. It has a Cutout Diameter of 5.625". The Mounting Depth is 2.05". The size of the Speaker is 6.5".