Kicker 45KM42C KM 4" 2 Ohm Coaxial Car Audio Accessories or using an iPhone 10

or using an iPhone 10 (or newer) smartphone running the OPTIM8 iOS App and the built-in microphone on your device

HD Radio™

@ 4 ohms 60 W RMS x 6 @ 2 ohms 90 W RMS x 6 Bridged @ 4ohms 180 W RMS x 3

447 Total Quality Factor (Qts) 0

If you're a big-time system builder

Kicker 45KM42C KM 4" 2 Ohm Coaxial Car Audio Accessories or using an iPhone 10MARINE MARVELS Our speakers are made to thrive in the water. UV treatments on injection molded cones, Santoprene surrounds, baskets and grilles all help maintain top shelf performance. KM speakers will endure almost any weather conditions with splash and spray resistant sealed motors and locking sealed terminal covers. Speaker hardware is forged from rustproof, 316L stainless steel. Two Ohm Voice Coil 1 2 Inch PEI Tweeter Locking Sealed Terminal