Kicker 43CVR104 Comp 10" 300 Watt SVC 4-ohm Car Audio Subwoofer Woofer Sub C104Kicker 43CVR104 Comp 10" 300 Watt SVC 4 ohm Car Audio Subwoofer Woofer Sub C104 The CompVR 10 Inch Subwoofer is a 4? dual voice coil design, built to get the most out of your amp. The dual voice coil design adds a new level of wiring flexibility, to get the most out of KX Series amplifier, no matter how many subs you add to your ride. The CompVR 10 Inch Subwoofer works best with a sealed or ported enclosure and 400 watts of recommended power.