DAC Output Splitter

In that case I would look for a SPDIF switcher like the following:

https://inday.com/da4x.html

https://www.cs1.net/products/cable_solutions/DAS-001.htm

Thanks !

actually it works if the other component is in standby...so all is good for now

Are you mixing analog RCA with Digital Coax?  Are you talking about the input to your DAC or the analog output?

A digital coax cable from streamer to DAC and a digital coax cable from CD transport to DAC...DAC is in my integrated amp