Kicker 40CS654 6.5-Inch 600W 2-Way Coaxial CS Series Speakers (4 Pack) 300 Watt Max (600 Watt per 4 Speakers) 100 Watt RMS (200 Watt per 4 Speakers) 6.5 inch woofers 3/4 inch tweeters Reliable, remarkable-sounding coaxial for easy drop-in, factory upgrades