Besiva Earbuds, in-Ear Headphones Noise Isolation Headsets Heavy Bass Earphones with, cs222 Rated Power: 40 watts / Peak Power: 190 watts 4ohm 6.5" Coaxial Speaker Aluminum Cone Tweeter for clear sound H.O.P Cone woofer for great linearity, smooth response & deep bass Fits many car applications by "100% Flat & Easy Fit" structure