5 1/4" car speakers with 20mm silk dome tweeter delivers warm treble with remarkable clarity and definition ^^ Polypropylene cone material is strong, yet lightweight for accurate mid and low tone ^^ RMS power 140 watts per pair ^^ Peak power 280 watts per pair ^^ High Temperature KSV Voice Coil provides superior current distribution with effective heat dissipation ^^ Nitrile Butadiene Rubber Surround supports smooth, linear movement for optimal accuracy