NK1 120B NAUTIC SPKR SYS

MB Quart NK1-120B Nautic Series 8" 140-Watt 2-Way Coaxial Speaker System with Matte Black Finish (Not Illuminated)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" ; Matte Black;