Originally Posted by mylows10
they both do basically the same ,but you wont find a eq that has 3 sets of inputs and outputs .at i haven't.eq will usually have a built in line driver too
You can find them, but they're always active DSP units, too. So RF 3sixty, Alpine pxa-h701, Audison Bit10, AudioControl DQ-series, etc.
To answer the OP's question, the ultimate solution is an active dsp unit such as those listed above, they're also one of the more expensive routes unfortunately.