4) Kicker 43DSC504 D-Series 5.25" 400W 2-Way 4-Ohm Car Audio Coaxial Speakers 4) Kicker 43DSC504 D Series 5.25" 70 Watt 4 Ohm 2 Way Car Audio Coaxial Speakers Peak: 200 Watts Per Pair (400 watt per 4 pack) RMS: 50 Watts Per Pair (100 watt per 4 pack) Thin Profile Zero to Minimal Tweeter Protrusion