So like many others i’d had enough of the standard sound system and knew it was time to upgrade. I wanted to keep the head unit as is, so broke into the wiring and added RCA converters to the front & rear speaker lines. Built the sub box out of fibreglass, many YouTube videos of tuition. Moved the alarm light and replaced it with a Bass controller. Fitted the Focal IS605TOY Speakers, so a very easy replacement and added about 30 square feet of sound deafening to the doors, boot, arches and boot lid. Overall very happy with the sound now. The sound deadening is essential, the amount of rattles when you throw some real bass into the cabin is incredible.