FRFRs are basically PA’s, so somewhat portable, sit on the floor, and they’re mono
The Kali LP6’s are studio monitors meant to sit on a desk and used for mixing/mastering
You can certainly use either an FRFR or studio monitors with the QC but it’s tough to pin down what you’re actually looking to buy. Do you really want an FRFR to use as your own personal monitor wedge or are you looking for a pair of stereo speakers for when you’re sitting at a desk?