Alright this is going to be my first time installing an amp. Ive got an Mtx thunder 564. Which will do 70 watts RMS x 4 at 4 ohms OR 140 watts RMS x 4 at 2 ohms. I want to run it at 2 ohms so I can get more power out of it but I dont really understand how to do it. If I understood correctly then I just wire the speakers in parallel and they will run at 2ohms? Its a 4 channel amp and will be getting seperate preamp inputs for the front and rear speakers so will that change anything? Thanks