I am sorry, I didn't understand. I did play with that sort of crossover and while I didn't keep using it, I'm pretty certain it would be more transparent than speaker level crossovers. I'm a bit of a fan girl about miniDSPs as I have wanted such a thing for years and it came as a total surprise when I came across it. It led to much money being spent on amps, I think the primary reason that everyone is not using it or a similar product. I was thinking of a software solution, like SpeakEasy, that uses a multi-channel sound card as a crossover but I'm glad I didn't go for that. I don't want to tie up my computer with such software and the latency of such programs is very high. MiniDSPs are not for everyone though. One thing is bugging me about the unbalanced miniDSP is that it doesn't have enough output voltage to drive a professional amp to full output. I don't want to have to buy a third miniDSP with balanced i/o just for my subs along with all the balanced cables required and adapters. The price is soon unreasonable IMHO. There are devices that convert balanced signals to unbalanced and vice versa and include an amp to boost the signal but that involves more cables and the price of the adapter too. So I will keep feeding "just" 300 watts to each of the subs. Its loud enough for me this way even though many have told me to get a pro amp.