Sublime Acoustic K231 Stereo 3-Way Active Crossover w/ REL subwoofers

Think subs you'll be fine. I split the signal out of the preamp. One to the active XO and one to the other speaker amps. I use Behringer, First Watt, and two valve active crossovers. They are all a little different. BUT I only have two active XO that are good enough for mids and HF drivers. They are are made by STL and First Watt. I made a good HF Active.. It wasn't to hard..

The 1/4", RCA, XLR or anything else should work plugging into the REL with an adaptor. What you do have to be careful with is wiring a REL to a Class D speaker terminals, there is a proper way to do it. REL says it will harm their amp. Not yours.

I'm not a fan of using speaker cables to power subs. There is to many great ways other than that and the convoluted wiring crap REL folks have to go through. I REALY don't know why. LOL As you can tell I'm not a REAL fan..

Nice paint though..

BTW I have a DIY repair for the decoupling issue.. 50.00 or so.. Or a gallon bucket of super glue that works too.

I ran everything rca, input from preamp to xover rca, and rca out to amp and sub. Ive never used the 1/4 balanced type cables.

Thanks everyone. I wanted to use my existing balanced XLR interconnects, so I ordered 1/4” TRS to XLR adapters, but they did not fit on the unit plugged in side-by-side. So, I had Wayne at Blue Jeans Cable make me short jumper adapter cables instead. I also had Wayne put together RCA subwoofer cables for my REL’s. I don’t notice any issues using the balanced section of the K231 for my In’s and Mid/Hi outs and the unbalanced section for my REL subwoofers.