Power handling RMS / max. P 100 / 150 Watts Impedance Z 2 Ω DC resistance Re 1.8 Ω Frequency response 60 Hz – 3,500 Hz Resonance frequency Fs 74 Hz Mechanical Q factor Qms 3.92 Electrical Q factor Qes 0.92 Total Q factor Qts 0.74 Compliance Cms 370 µm/N Equivalent air volume Vas 8.8 L Force factor B*I 3.5 Tm Sensitivity SPL 94 dB @ 2.83 V / 1m 88 dB @ 1W / 1m Cone area Sd 133 cm² Moving mass Mms 12.5 g Cone material Paper with Cenosphere coating Mechanical resistance Rms 1.48 kg/s Voice coil diameter ø 25 mm Voice coil winding height 11.3 mm Max. linear excursion Xmax +/- 3.7 mm Outer diameter ø 165 mm / 6.5″ Installation diameter ø 142 mm / 5.59″ Installation depth 60.7 mm / 2.39″ Features ProConnect terminal, FlexMount165 Compatibility FlexMount165 WireKits Scope of delivery 2 x Ci3 W165FM-S3 2 x Mounting material