Kicker 10c124 could be a 600 watt twelve inch dual subwoofer. It's quite big in size. If you have a 500 watt car amplifier then you'll just have to connect it with wires and you're able to have a great experience of musical world. Well guys this is a warning! you may have fallen in love with this sub. You'll like to hear the bass or any solo music compete with this subwoofer.