Echo Series 5.25 2-way full-range coaxial Speaker System. Peak Power - 160 Watts (Pair) ^^ RMS Power - 80 Watts (Pair) ^^ Lightweight thermal-formed Polypropylene cones provides high output and accurate frequency reproduction. Nitrile butadiene rubber surrounds provide durability and deeper mid-bass impact. ^^ Featuring a Tetoron dome tweeter with built-in crossover for smooth & fatigue free highs. ^^ Ferrite magnet motor creates a strong magnetic field while remaining small enough to fit nearly every application. ^^ Made to fit most cars for versatility and convenience.