Features 2.0" (51mm) Midrange Voice Coil Neodymium Ring Magnet Assembly IP65 Rated Weather Resistant Carbon Fiber Cone Die-Cast Aluminum Basket with Radial Venting Sold in Pairs Specifications HF - Power Handling AES: 15 Watts* HF - Dynamic Wattage: 30 Watts LF - Power Handling AES: 300 Watts* LF - Dynamic Wattage: 600 Watts Combined Frequency Response: 50Hz - 17KHz HF - Sensitivity (1w/1m): 99.3dB LF - Sensitivity (1w/1m): 91.3dB Nominal Impedance: 4Ω Recommended HF Crossover Frequency 4.2KHz @