Size 13 cm Impedance 4 Ω Frequency response 25 – 22,000 Sensitivity 89 dB Lowest resonance frequency 96 Hz Maximum power 230 W Nominal input power 35 W Woofer material IMPP Composite Cone Voice Coil type Copper Voice Coil bobbin type KAPTON Magnets Y35 Weight 0.40 kg Cut-out Hole 121 mm Mounting Depth 44.3 mm