VorTech MP40w Question

If I was to purchase this item, but wanted a second power head does one need to buy 2 units or can you buy just the power head to add to the first one cause i read you can run multiple power heads. hope I'm making sense here. I guess what I'm trying to say is if I bought the 499.00 dollar one and want a second power head do i need to spend 1000.00 or can you just get the power head only at a cheaper price?
thanks for any feedback.

[Smudge]

You need to spend the 1000.

[xtreme]

Each unit needs its own controller and power supply to work. $500 a shot, no way around that.

That's what I thought thanks guys.

[xtreme]

If it is just the MP40W you are looking for you can get them for around $420 now that the ES model is out.

Originally Posted by xtreme

If it is just the MP40W you are looking for you can get them for around $420 now that the ES model is out.

What's the difference in the two . And is there any feed back on this unit pros or cons would like to here them. cause i really want to get this unit.