4) New Kenwood KFC-4675C 4x6" 120 Watt 2-Way Car Audio Speakers System Stereo 4) New Kenwood KFC-4675C 4x6" 120 Watt 2-Way Car Audio Speakers System Stereo (4-pack) Nominal Impedance: 4-ohm Maximum Peak Power: 60 W (120W per 4-pack) Rated Input Power (RMS): 20 W (40W per 4-pack) Sensitivity: 90 dB/W at 1m