Use a bigger amp than necessary and run it gently.
Don't use a small amp on big speakers, they'll suck all the guts out the amp.......literally.
If you don't understand wiring, don't play with it, you'll only end in tears.
And finally "THE ONLY MEASUREMENT OF POWER IS WATTS RMS"!!!!!
Any other measurement is a hyped up mickey mouse figure and if your supplier can't quote "RMS" power then go buy something else, trust me !