Mb Quart Nautic Series 8" 140-Watt 2-Way Coaxial Speaker System (With Led Illumination)

140W max 70W RMS Marine certified--protected against sun fade with UVA paint coating Conformal-coated crossover components protected against water spray as well as dust & sand Life Shield badge indicates speakers are waterproof dustproof snowproof & shockproof Tested to the highest marine & motorsports standards for resisting the elements (IP67) Titanium dome tweeter for smooth musical response & high output with minimal amp power 8" composite poly midrange is a UVA-protected water-resistant composite polypropylene cone with temperature-stable butyl rubber surround mounted on a lightweight composite frame High-temperature copper voice coil wound on a Kapton(R) former High-energy Y30 motor assembly with strontium ferrite magnet for higher output with minimal amp power Marine-certified crossover is conformal coated with Positive Thermal Coefficient tweeter protection Freq resp: 25Hz-20kHz (+/-10dB) Sensitivity: 92dB @ 1W/1m Imp: 4ohm Mounting dia: 7" Outside dia: 8.46" Mounting depth: 3.7" Mounting height with grille & gasket: 1.13" With LED illumination