PS4 use different audio devices?

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Yesterday I got my standing microphone (Trust GXT 256 Exxo-USB) and my Klim Puma gaming headset (USB).
So now the question: I have on my stand mic. Nen 2.5mm connection for headphones but my Klim Puma has a USB connection, i.e. I have to run both devices in parallel so that it works.

Wanted my Mik. Input device my stand microphone. If and my output device is my Klim Puma headset, as soon as I choose another one, either only one of the two devices appears.

Then I tried the output device auto.connect switched off, but does not work.

Can this possibly be done elsewhere or not?

Ask for advice.

Im

So both devices only have one USB port each?
i.e. You can't connect the headset directly to the microphone because only the jack would work there?
I suspect your PS4 has at least 2 USB ports to which you now want / have to connect the microphone and the headset?
If so, you can manually select which of them you want to use as input device and which you want to use as output device in the settings. (in "audio devices" as far as I know)
As you said you then select the microphone under "input device" and the headset under "output device".
If you've tried exactly that and it doesn't work, it may be difficult from a distance or in general. I hope they are compatible with each other with the PS4.
In an emergency, buy headphones with a jack and then connect them to the monitor or microphone, if possible.