Reproduction system Multiaxial 3-way PMI-PP cone woofer 200 mm Metalised PEI cone mid-range 60 mm Dome tweeter 18 mm Powerful strontium magnet for dynamic bass response ? Music peak power (W) 400 Continuous power (W) 50 Fs (Hz) 65 Qts 1.30 Vas (Litres) 25.6 Frequency response (Hz) 25~35,000 Efficiency (db/W/m) 92