Where could i be going wrong ???

[Zimbabwe]

I see

+ to + / - to -

That's ok i double checked the wiring. I'll try spliting the main rca lead with 'y' leads instead

Thanks for the advice

 

[ThatChevyGuy 5,000+ posts]

you need a larger box.

 

[Zimbabwe]

I think of the top of my head each side is 1 curbic foot ?