Features 450W High Power Handling Optimized for MEX-N/CDX-G Series with MEGA BASS MRC Cone Woofer PEI Cone Tweeter Super Tweeter for High Frequency Extension Progressive Height Rate Spider Size 16 x 24 cm, 6" x 9" Speaker/SW system Coaxial full range 3 way Est.Peak power(e.g. xxW or more) 450W Est. CEA 2031 RMS Power(e.g. xxW or more) 60W Est.Rated power(e.g. xxW or more) 60W Effective frequency range 40-22,000Hz Output sound pressure level 92dB Rated Impedance 4ohm Type Cone Magnet Ferrite Edge Rubber coated Cloth Type Cone Material PEI Size 66mm Type PIEZO Material PEI Tweeter -6dB/10 Tweeter -6dB/10