Basic switch....should I upgrade?

@bd  no, adding to fix a bad link in the chain never works. Remove the crap out of the chain instead. 
 

basically you are saying that using your iPhone DAC and source into another significantly better DAC will fix the issues with the phone DAC. Not possible. 
 

a switch operates on layer 2 in the tcp/ip stack, and will only check for crc frame errors. A switch doesn’t do anything to correct timing (jitter) issues. That is just not how a switch works, period. 

I’ve read lots. Reviews. Audio forums. Watched a few Youtube videos as well.

The people I want to listen to say yes.

I tend to ignore the likes of Cakehole. He says no. Old school. He tells us to stand in the corner.

@antigrunge2  @melm & @audphile1 I did ground the etherREGEN and the PSU to my streamer (both having ground screws) with some scrap 12G wire and I'm surprised how more holographic sound is. It's like my speakers took growth hormones. My holographic cherry has been popped. Thanks gents.

I chucked my poor switch and use only the etherREGEN. As tempting as a Network Acoustics Eno or Moun would be that would require a switch.

If it ain't broke don't fix it.... unless you're an audiophile. Right? 

@sns 

People should concentrate more on feeds directly out of modems. This is most common weak link I see...

I have tried to address the situation.

I have my modem attached to a modded Cisco 2960 switch. Then (Cat5?) ethernet cable running 10m (can't replace this cable unfortunately) to an ethernet outlet. 

Have a Lan isolator connected to the outlet to a modded Cisco SG110D switch, then another Lan isolator connected to streamer.

That may address some of the issues.

@wsrrsw that’s awesome to hear! 
I would not change anything at this point. Just make sure you use the best Ethernet cable between the EtherREGEN and the streamer.