Any ideas on how I would go about connect a sub and amp to this....??

Full View


Pre existing sub whole


The 3 lines leading to either speaker and on sitting un-connected in the sub whole


Left speaker


Right speaker


All i really wanna do is put an amp and a sub in the boot, is that possible from here?

A HOLE in the parcel shelf The whole is the lot!
There is an amp on the left-hand side of the boot in the higher spec BAs.Maybe you could use that,as it is standard.