Reply to Want to use Ipad in set, Need external battery...help I.D this product!! Please!

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I want to run my Midi Fighter on my Ipad with beat Maker...I tried hooking up the Spectra to a external powered usb hub and that still wasn't enough power to run the spectra. So then I was looking on FB and this picture caught my eye. In the upper left hand corner of the picture it looks like they are using some kind of external battery. Could this run my Spectra so I could use my iPad? Would it also be able to run my controller (Denon MC2000)? So I could run "DJ Player" instead of taking my laptop with me?

Dose anyone know what this product is???

Is there a way to use the Spectra and Ipad?? I am missing something? Or is it take to much to run it, and you can only use " DJ Player" and "Beat Maker" with the Classic??

Please Help..