Power Handling: Peak: 600 watts per pair / 300 watts each | RMS: 200 watts per pair / 100 watts each</br>Plus One woofer cone technology maximizes cone surface area | Butyl Rubber speaker surround | 1" edge-driven Textile Dome tweeter | Super tweeter for high frequency reproduction</br>3 ohms impedance works with all amps rated for 4-ohm operation | True 4 ohm technology incorporates speaker impedance with factory speaker wire impedance for maximum power | Protective speaker grilles included</br>Frequency response: 46-21??000 Hz | Sensitivity: 94dB</br>Top-Mount Depth: 3"| Bottom-Mount Depth: 3-3/16" | Cutout Dimensions: 6" x 8-3/4"</br></br>Product Description</br></br>INFINITY REF9603IX 6x9" TEXTILE DOME TWEETER 3-WAY REFERENCE X COAXIAL SPEAKERS</br><br/>http://www.amazon.com/gp/product/B007SNNS4Wa