Power RMS / max. P 150 / 225 Watts Impedance Z 3 Ω DC resistance Re 3.0 Ω Frequency response 35 Hz – 2,500 Hz Resonance frequency Fs 52 Hz Mechanical Q factor Qms 6.04 Electrical Q factor Qes 0.78 Total Q factor Qts 0.69 Compliance Cms 370 µm/N Equivalent air volume Vas 20.8 L Force factor B*I 5.6 Tm Sensitivity SPL 92 dB @ 2.83 V / 1m 88 dB @ 1W / 1m Cone area Sd 201 cm² Moving mass Mms 25.6 g Cone material Ultra high damping (UHD) crafted paper cone Mechanical resistance Rms 1.40 kg/s Voice coil diameter ø 37 mm Voice coil winding height 13.8 mm Max. linear excursion Xmax +/- 3.9 mm Outer diameter ø 195 mm / 7.68″ Outer diameter with universal mounting ring ø 208.9 mm / 8.22″ Installation diameter ø 173.5 mm / 6.83″ Installation depth 65.8 mm / 2.59″ Features ProConnect terminal, FlexMount200 grille Compatibility Flexmount200 WireKits Scope of delivery 2 x Ci7 W200FM-S3 2 x Universal mounting ring with grille 2 x Connection cable 2 x Mounting material