Frequency range [+/- 3dB, Hz] 78 – 25.000 Crossover frequency [Hz] 3.000 Sensitivity [2.83V/1m, dB] 89.0 Nominal impedance [ohm] 6.0 Maximum SPL [dB] 107 Recommended Amp. Power [W] 15 – 120 Terminals Gold plated, integrated in the Click’n’Connect wall bracket Dome Tweeter [mm] 28 Low Frequency Drivers [inches] 2 x 4.5 Dimensions [HxWxD, cm] 38.5 x 15.7 x 10.0 Dimensions [HxWxD, inch] 15.2 x 6.2 x 3.9 Weight [kg/lb] 3.6 / 7.8 Accessories 1.5 mm Allen key, Click’n'Connect wall bracket, positioning templates. Optional stands. Finishes High gloss lacquer, white or black with chrome trim.