preampifier for mems micrphone

By coffaniluigigmailcom , 15 January 2026

Hi everyone.
I want to build a phantom XLR microphone for audio measurements on speakers and their enclosures, to be used in conjunction with a sound card. One possible candidate is the ICS-40730, but I also need the ideal preamplifier. I'm not sure which one to choose, and that's what I'm asking for your advice. I've identified a few solutions, which I'll list below. Let me know if there's a suitable one:
- INA166
- OPA1637
Hi and thanks

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