Size 17 cm Maximum power 330 W Nominal input power 110 W Frequency response 30 - 96.000 Sensitivity 85 dB Impedance 4 Ω Crossover Frequency 2000 Hz Mounting Depth 65 mm. Tweeter: 15 mm Cut-out Hole 144 mm Woofer material Aramid Fiber plus Cellulose Fiber Dual Layer Cone Voice Coil type Copper Round Wire 2-Layer Voice Coil bobbin type Glass Imide Lowest resonance frequency 57 Hz Tweeter size 29 mm Tweeter material Aluminium Hard Dome Magnets Woofer: Ferrite Tweeter: Neodymium Weight 1.26 kg High Resolution Audio Open & SmoothTM 2-Way Component PERI Pioneer European Reference Installer Pioneer has a team of expert professionals across Europe who have the knowledge, experience and passion to be able to sell and install the Pioneer’s Z and D series.