These TWO pairs of Kenwood KFC-C1739I 7-inch 3-way Performance Series Custom Fit Car Audio Speakers can handle 170 watts MAX power and 40 watts of RMS power for each speaker or 340 watts of MAX power and 80 watts of RMS power for each pair--680 watts of MAX power between all four speakers! These versatile speakers can fit either a 7" or 6-3/4" opening. They feature Image Enhancer Technology that blends the mid-range and tweeter for clean sound reproduction, a Pearl Mica Polypropylene Cone, and a urethane surround. When needing exceptional sound experience, choose the Kenwood KFC-C1739IE 7-inch 3-way Custom Fit Car Audio Speakers!