Would just like to report on my current setup/solution.
So I found the bass response a bit hit/miss when playing certain genres especially EDM type stuff. Found myself constantly adjusting the DSP on the back and it was becoming a chore basically. 2,5 months in (with 1 speaker not able to save a calibration at all) I calibrated them with ARC 3, made sure the frqz response was as flat as possible.
I then purchased
SoundSource 4 (im on Sierra) for around 45 dollars and added ARC 3 to the system output. I gotta say.., after boosting the 32-500hz range a bit in the
SoundSource app - paired with ARC 3 - this is downright perfect Systemwide!
Everything I toss at the MTMs now sounds nuanced, at all db levels - all across the spectrum.
No more anxiety from dealing with clumsy surprises (bass port) on the low end. It works beautifully now.
Also surprised that there's now no problem leaving them on 40hz extension
Its actually crazy the difference contra using just the built in calibration.
Just a heads up to anyone dealing with the same issues as I was having