are NET Switches worth considering?

isn't it measurable?  Whether the switch makes a difference in the data delivered to the DAC?

Generally, fiber moats should lower the noise floor, but some have reported it reduces the “life” of the music.

if this is the sonic result, you have not done it correctly

@jjss49 

+1, Indeed! 

The proof is in the implementation, so let’s re-iterate for anyone following along.

A basic SFP + media converter chain often recommended here because it’s inexpensive; typically looks like this:

Router → RJ45 → media converter → SFP module → fiber → SFP → media converter → RJ45 → streamer

On the surface, it achieves optical isolation. But it also introduces multiple conversion stages, generic clocks, switching power supplies, and a fair amount of uncontrolled variables at each junction.

In other words, it’s a networking workaround not an audio-optimized solution.

That distinction matters. Because once you move to a purpose-built device like the Matrix Audio SI-1, you’re not just isolating…you’re controlling power, clocking, signal integrity, and noise within a single, coherent design. That’s where the real gains come from, and why two ‘optical’ solutions don’t necessarily sound the same in practice, IMHO. 

FWIW to add somewhat to this conversation I have acquired an LHY SW10 Pro Audiophile switch. I have had it about 2 weeks. The LHY has a lot of innovative features including dual mono transformers, a high quality OCXO master clock, linear power supply, and optical isolation. It has been working well for me, I've noticed a silence in the background and more  information. If your system is revealing this may help but it's not a huge change but still rather enjoyable and worth while for me. 

@mdalton I just added the TP-Link MC220L and fiber thing.  Incredible difference in sound, space, depth.  Just wow.  Well worth it.