Can you wire a aftermarket subwoofer to the original head unit in a cupra mk3?

[Charliessmith]

Do you have a pic cause I'm not sure where to put it. Is it on the pic I attached

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[Webstuff72]

Where do I put the remote wire?

I attached my remote wire to the cigarette lighter wire. As its only mah draw...

Alternatively get yourself a fuse splice.

And tap into the 20A (yellow) fuse

Which is the cigeratte (12v power) supply.