4 New Kenwood KFC-1665S 6.5 Inch 600 Watt 2-Way Car Audio Door Coaxial Speakers 4) New Kenwood KFC-1665S 6.5" 600 Watt 2-Way Car Audio Coaxial Speakers Stereo (4-pack) MAX Power: 300W (600W per 4-pack) RMS Power: 30W (60W per 4-pack) Impedance 4 ohms 6-1/2" PP Cone