mb quart marine bundle (3 pair) nk1-120b 8" nautic speaker system blacka high-end sound, marine certified premium 8" coaxial speaker for boats, rv's, off-road vehicles or project vehicles audio installation needs. a unique solution for big bass and great sound, especially if the vehicle can not accomdate a subwoofer. the speakers feature water resistant components to the ipx67 standard, including midrange cones, titanium tweeters and rust resistant connectors. marine certified longer life against harsh conditions. protected against sun fade with uva paint coating. conformal coated crossover components protect against fresh and salt water spray as well as dust and sand ipx67 tested to the highest marine and motorsports standards for resisting the elements 1" pure titanium dome tweeter very smooth musical response, high output with minimal required amplifier power water resistant spider woven red aramid fiber composite spider to stabilize the cone and voice coil in all musical situations. armid fibers do not degrade over time and are not susceptible to temperature swings 8" composite poly midrange uva protected, water resistant composite polypropylene cone with temperature stable butyl rubber surround mounted on a lightweight composite frame high temperature voice coil and former voice coil is high temperature copper, wound on a kapton former which allows the voice coil to handle more power while remaining light in weight high energy y30 motor assembly high energy strontium ferrite magnet for higher output with minimal amplifier power marine certified crossover conformal coated, butterworth 12db per octave crossover with ptc (positive thermal coefficient) tweeter protection

Features

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 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