I have 2 AT853's with the AT8531 battery packs with mini xlr, its my understanding(maybe i am wrong) that these may not fully power them for high spl situations. I have done the 4.7k mod before into a single mini plug but wanted to know if this could be done without going to a single mini plug, you know just put the 4.7k in each mini xlr. would i have to build a 4.7k y-cable to make the changeover, the idea was to keep the mini xlr but i guess if i have to just chop them if it makes no difference. Any input/insight would be great. Also would anything power them fully besides the phanton adapters AT ha like a duel 3 wire BB or Church pre or would those be about the same as the AT8531 battery packs.