DLS hi-end car audio ,check audio wiring and retuning passive crossover up to more 50% sq ....

 clarion hx-d2

 phd audio speaker 6.5
component speaker syster
& in dash board eton 4 midrange

 3 way

 dls ultimate class a ,
sq power amp ,a4,a6,&a8 .....

audio control proccesor .

DLS ultimate sub 12''' dvc