Re: wireing single 4ohms with single 8ohms?
The reason you can't wire different ohm subwoofers is because the will recieve different amounts of power. If these subwoofers are in the box there will be some cancellation issues and other things.
These pictures are just to give you an idea
2010 Kia Forte Koup
Not sure what subs im going to use yet using some pioneers atm
Stock door speakers for now
Orion 4800HP < Not in use
Stock alt & XS D925 & D3400 batteries