Has anyone upgraded the crossovers on Spatial Hologram M4 series loudspeakers?
If so what components did you use, by brand name, and how did it change the sound of the speakers? Also, any other mods you might have done, and the change it made in the sound?
Spatial maintains an audio circle forum where I suspect you will find someone who has done this. I’ve definitely seen upgrades on other spatial speakers there.
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