4) Kicker 41DSC674 D-Series 6.75" 480W 2-Way 4-Ohm Car Audio Coaxial Speakers 4) Kicker 41DSC674 D-Series 6.75" 480 Watt 4-Ohm 2-Way Car Audio Coaxial Speakers Peak: 240 watts (480W per 4-pack) RMS: 60 watts (120W per 4-pack) Thin-Profile Zero-to-Minimal Tweeter Protrusion