High-Frequency Driver Components 1” MCC Dome Tweeter; Low-Frequency Driver Components Dual 3” Micro Ceramic Composite (MCC) Cone Woofers; Frequency Response (+/-3DB) 110Hz – 21kHz; Recommended Amplifier Power Range (Watts) 10 – 125 Watts; Crossover Frequencies 2.2kHz; Nominal Impedance 8 Ohms; Sensitivity 88dB (2.83V @1M); Finishes High-gloss Black, White, Red; Dimensions (H X W X D) 11.63”/4.25”/4.5” (296mm/107mm/113mm); Weight 3.45 lbs / 1.6kg per Speaker