4) New Kenwood KFC-1365S 5.25" 500 Watt 2-Way Car Audio Coaxial Speakers Stereo 4) New Kenwood KFC-1366S 5.25" 500 Watt 2-Way Car Audio Coaxial Speakers Stereo RMS Power: 30W (60W per 4-pack) Peak Power: 250W (500W per 4-pack) Impedance 4 ohms 5-1/4-inch PP Cone