fedihelp - cheap USB audio interface microphone power spec 

- what do the super-cheap USB interfaces (e.g. Goobay 68878, Logilink UA0099) technically provide in the microphone inputs - do they always provide 3–5V "plug-in power", so that one can connect (condenser/electret) lapel microphones like Røde Lavalier GO. Seems this is "standard" for smartphone and laptop mic inputs, but I'm unsure about the interfaces, and there are no real specs. Any ideas? Can I only connect dynamic mics?

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fedihelp - cheap USB audio interface microphone power spec 

so indeed, the 68878 shows 2.8V and the UA0099 shows 2.2V between sleave and ring. Ordered an ETM-001 electret which should probably work fine.

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