Power handling RMS / Max. P 200 / 400 Watts Impedance Z 2 x 2 Ω DC resistance Re 3.6 Ω Frequency response 25 Hz – 500 Hz Resonance frequency Fs 55 Hz Mechanical Q factor Qms 8.31 Electrical Q factor Qes 0.88 Total Q factor Qts 0.80 Compliance Cms 256 µm/N Equivalent air volume Vas 13.5 L Force factor B*I 6.7 Tm Sensitivity SPL 90 dB @ 2.83 V / 1m 87 dB @ 1W / 1m Cone area Sd 194 cm² Moving mass Mms 32 g Cone material Injected polypropylene Mechanical resistance Rms 1.39 kg/s Voice coil diameter ø 38 mm Voice coil winding height 20 mm Max. linear excursion Xmax +/- 7.5 mm Outer diameter ø 195 mm / 7.68″ Installation diameter ø 173.5 mm / 6.83″ Installation depth 47.0 mm / 1.85″ Features FlexMount200 Compatibility FlexMount200 Scope of delivery 2 x Ci5 S200FM-D2 2 x Mounting material