Kicker 43C124 600 Watt 12" Comp C12 Car Subwoofers, Pair + Sub Box Enclosure NEW PAIR KICKER 12" 600 Watt COMP Series Car Subwoofers 300 Watt MAX (600 Watt PAIR) 150 Watt RMS (300 Watt PAIR) Impadance: Single 4 Ohm Sensitivity: 88.3 dB