I have the following
Here's the radio
http://www.pixmania.com/ie/uk/317005/art/clarion/dxz768rmp-cd-mp3-car-radi.html?srcid=391&mctag=uk_16067&gclid=CNrrzb7b2JECFRBPMAodTnQ_Zg
Here's the sub, its two x 4 ohm coils.
http://www.clarion.com/us/en/MungoBlobs/642/34/XW1500(Manual).pdf...