two dual voice coil speakers to a mono amp?

I am going to hook up two dual voice coil speakers to a mono amp at 1 ohm. How do I do this? Is it better hooking them up parallel? And how do I do that. Also do you get better performance from a speaker thats hooked up at one ohm rather than 2 or 4, or does it even matter as long as the RMS matches up with the amp?Thankyou

what is the impedance of the dual voice coil speakers?  Like dual 2 ohm? dual 4 ohm?2003 Chevy Avalanche,Eclipse CD7000,Morel Elate 5,Adire Extremis,Alpine PDX-4.150, 15" TC-3000, 2 Alpine PDX-1.1000, 470Amp HO Alt.

Also, if I hook up the speakers like it shows in the diagram to a 1 ohm stable amp, will that bring them to 1 ohm instead of two? How do you hook up a 1 ohm load?

And where did you get that diagram?

You can't get 1 ohm out of 2 2Ohm DVC speakers. But only 1 2 Ohm DVC can be wired in parallel, but can one speaker handle all those Watts of power? What is the amplifer (are you sure it can be wired for 1 Ohm loads)? 2 4 Ohm DVC subs can be both wired in parallel (and the individual coils in parallel to get a 1 Ohm load) Basically, (4) 4 Ohm Parallel Impedances = 1 Ohm DXAV

Diagram is from Rockford's site. This forum also has a calculator page in the left hand menu... https://www.the12volt.com/caraudio/boxcalcs.asp Hope this helps. DXAV

The speaker is a 15 inch Eclipse Sub and it is 1 ohm capable. What is parallel? And I haven't got the amp yet, I'm trying to figure out which one to get.