Kicker 10c124 is a 600 watt 12 inch dual subwoofer. It is quite big in size. If you have a 500 watt car amplifier then you will only have to connect it with wires and you are ready to have a serious experience of musical world. Well guys this is a warning! Yes, you might have fallen in love with this big boy. You will love to hear the bass or any solo music played with this subwoofer.