4) KICKER DS60 6.5" 400 Watt 2-Way Car Coaxial Audio Speakers 11DS60 + Earbuds MAX Power Handling: 100 Watts per Speaker (400 Watts for 2 Pair) RMS Power Handling: 50 Watts per Speaker (200 Watts for 2 Pair) Drop-in factory upgrade for easy fitment into any vehicle Heavy-duty motor structure for improved performance Extended Voice Coil (EVC) technology for ultra-clean bass