Pioneer TS-C172PRS Maximum input power 200 W Nominal input power 50 W Impedance 4 Ω Frequency response 25 - 35.000 Hz Lowest resonance frequency 45 Hz Sensitivity (1W/1m) 89 dB Woofer size 17,0 cm Woofer material Multi-Layer IMX Aramid Fibre with IMPP™ composite cone woofer Tweeter size (mm) 28,0 mm Tweeter material Soft dome Tweeter fitting kits included Surface mount slant spacer, flash mount adapter and invisible mount adapter Magnets Neodymium Dimensions Without grille - 165 x 78 mm / With grill; 183 x 92 mm Weight Woofer Cut-out Hole 142 mm mm Mounting Depth 67 mm mm 642,96 €