Autotek ATS65C 6.5 300 Watts Peak Power ATS Speakers - Set of 2 Features: Impact Resistant Tweeter Elements Neo-Mylar Soft Dome Tweeter Installation Hardware Included Polypropylene Cones UV Resistant Rubber Surround Treated Pressed Paper Cone Anti-Resonant Stamped Steel Frame 12dB External Crossover on Component System Available in 3.5, 4, 4x6, 5.25, 5x7, 6.5, 6x9 (3-way) and 6.5 Component Type: Component System Sensitivity: 89 dB Frequency Response: 55 Hz - 20 kHz Impedance: 4 Ohm