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Okay, pardon my ignorance because this is probably a really stupid question. I'm a complete rank n00b when it comes to car audio, but.. how do I connect wires to this subwoofer? I've tried finding ring terminals for it but the smallest ring terminals I could find won't fit. Do I just stick bare wire in to the hole and fasten/tighten the screw down? Or, am I supposed to grab some male quick disconnects for it or something and attach female quick disconnects to the wire? This is for an MB Quart RWE-252 10" subwoofer.
Here's what I'm dealing with..
http://www2.hawaii.edu/~fukata/rwe252.jpg
Also, when the instructions say "For the connection leads, please use cable with a cross section of at least 2.5mm^2", do they mean the wiring that goes from the amp to the box or from the terminal cup to the sub?
Thanks.

I can't really see it too well but it looks like you can just strip back a lil peice of the wire and put it in there and tighten the screw down.

Snap another pic real quick if ya can...its almost 5am and my eyes aren't working o_O lol it looks like that thing has 4 voice coils or I just seeing reflections?

Stick the wire in the hole, and tighten the screw down.