Kicker 4 41DSC4604 D-Series 4x6 Inch 240 Watt 4-Ohm 2-Way Car Coaxial Speakers (2) Pairs of Kicker 43DSC4604 4x6 2-Way Car Stereo Speakers Totaling 480 Watt. 120 Watts Peak Power Per Speaker 30 Watts RMS Power Per Speaker. Polypropylene midwoofer Acoustic-foam surround. 1/2" Polyethylene-Naphthalate Dome Tweeter 4 ohms impedance. Frequency Response: 50-20,000 Hz Top-mount Depth: 1-11/16". Sensitivity: 88dB. Item Weight: 3 lbs.