[cel4145]

R and L speaker out on the Topping to R and L speaker input on the sub, then R and L speaker out on the sub to the speakers.

 

[cel4145]

This may help, too: http://www.parts-express.com/pedocs/manuals/300-627-parts-express-manual.pdf

 

[gfmate123]

does this mean l+,l-,r+,r- all of the amp outputs will be used from amp to sub?

 

[cel4145]

Yes. Passive speakers have both a negative and positive wire connection.

Might want to google how to hook up speaker wires for a YouTube video, or get a friend to help if this sounds confusing.