Summary: Diameter: 6.5 Inch; Sensitivity: 89 dB; Impedance: 4 Ohm; Frequency Response: 35-21000 Hz; Peak Power Handling (Watts): 80 Watts; Color: Black; RMS Power Handling: 40 Watts; Marine Grade Protection Life Shield: Protected For Water And Dirt. Uv Protected Against Sun Fade.; Tweeter Dome Material.75 Inch Composite Dome: Very Smooth Musical Response, High Output With Minimal Required Amplifier Power.; Speaker Surround: Butyl Rubber Remains Musical In All Weather And Does Not Stiffen In The Cold.; Cone Material: 6.5 Inch Composite Poly Midrange Water Resistant Composite Polypropylene Cone With Temperature Stable Uv Butyl Rubber Surround Mounted On A Lightweight Composite Frame.; Surround / Cone ...