4 Kicker 41DSC684 D-Series 6x8 400 Watt 2-Way 4-Ohm Car Audio Coaxial Speakers 4) Kicker 41DSC684 D-Series 6x8" 400 Watt 4-Ohm 2-Way Car Audio Coaxial Speakers Peak: 200 watts (400W per 4-pack), RMS: 50 watts (100W per 4-pack) High Sensitivity Motor Structures Acoustic-Foam Surrounds Polyethylene-Naphthalate Domed Tweeters