Audio upgrade Volvo XC70 MJ2008, Base Performance

Hello professionals, I seem to be faced with an unsolvable problem that apparently nobody in the German-speaking world but me has yet to be affected. To the problem: I have installed the “popeligst” audio system, which there were (4x 7W RMS, 4x 16cm widebands in the doors). I don’t want to change anything on the radio and the 4x 7W. I would like to have separated Koax and front Koax or midranger and tweeter (mirror triangle with recording). Now I need suitable hardware (loutsp The original loudspeakers look like this (but high performance):http://www.ebay.de/…/162074048373?… In U.S. forums you will always be referred to the company http://www.crutchfield.com. But they don’t deliver to Europe. I could imagine something like this in the appendix, but there is no such thing. Do you have ideas about how to tackle the problem? Just get started is not because the original L.S. are riveted. Then it has to be Ah everything to be there and fit. Thanks and greeting Björn