Principle 2 way coax system Power Handling 60 / 240 watts Impedance 4 ohms Frequency response 43 - 24000 Hz Crossover Frequencies 4000 Hz Sound pressure level 90 dB DIN-Diameter 130 mm (5,25") woofer 13 mm (0,5") tweeter Outer diameter 158 mm Cutting Out 118 mm Mounting depth 42 mm Mouting height 20 mm Cone material Woofer: coated cellulose Tweeter: Polycarbonate Highlights Euro DIN basket for universal installation Low mounting depth due to internal ferrite magnet system Additional voice-coil ventilation for better power handling and less mechanical damping Light paper cone and foam surround for maximum efficiency Tweeter with acoustic equalizer and neodymium drive Solid loudspeaker covers