Audio DSP Question...

[amebb]

Hi
I need some help here please regarding an audio update that i want to do on my car.


My car is a BMW E53 X5 2004.



I have the standard sound system with 6CD player in the boot.


The sound is okay but i want to upgrade the sound system.


I would like to keep the existing head unit in place and the cd player too.


I was looking at getting a DSP Amp and the OEM bass speakers that i can install in the boot of the car. Would i need anything else so i can use the DSP feature on my head unit?


Any help much appreciated.

Thank you