Hertz Uno X 130 130mm 2-WAY COAXIAL SPEAKER SET Wide dispersion, low bass extension and high output without distortion are a reality when this set of 130mm coaxials is employed in your car. Enjoy surprising lows and clear high's even when driven form your standard head unit. Technical Specification Power Handling - Peak W 160 Power Handling - Continuous W 40 Impedance 4 Ohm Mounting depth : 52mm Frequency response Hz 60 21k Sensitivity dB SPL 93 Woofer size mm (in.) 130 (5) Tweeter size mm (in.) 24 (0.9) Woofer Voice Coil mm (in.) 25 (1) Tweeter voice coil mm (in.) 14 (0.55) Woofer magnet High density flux ferrite Tweeter magnet Neodymium Woofer cone Water-repellent pressed paper Tweeter dome PEI SPEAKER GRILLS NOT INCLUDED