Hi-end Audiophile grade USB switches

Looking for guidance on who makes any ultra high quality USB A to B switches in the market place and anyone’s experience with them. I need to be able to choose between two different USB sources outputting into one USB input on my DAC. Need one that imparts virtually zero or as minimal signal degradation as possible and without any sonic thumps when switching between USB input sources. Or maybe an alternative way to accomplish this as well! Thanx! Mooncrikit