1. It doesnt matter which way the subs face. It pushes or pull air. The wires coming out will depend on how they are wired together.

2. You need a 800x1 @ 4OHM amp. You probably can mate it with an Audiobanh amp.

3. If you insist on getting on, finding a 1 farad isnt hard. I am not too sure about brand differences.

4. Audiobanh sucks. h: