# About the QA47x category

**URL:** <https://forum.quantasylum.com/t/about-the-qa47x-category/19>\
**Category:** QA47x\
**Created:** [December 5, 2019, 5:42am UTC](https://forum.quantasylum.com/t/about-the-qa47x-category/19 "2019-12-05T05:42:56Z")\
**Posts on this page:** 1\
**Page:** 1

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**Author:** ![matt](https://avatars.discourse-cdn.com/v4/letter/m/a6a055/32.png) [@matt](https://forum.quantasylum.com/u/matt)\
**Post date:** [December 5, 2019, 5:42am UTC](https://forum.quantasylum.com/t/about-the-qa47x-category/19/1 "2019-12-05T05:42:56Z")

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Discussion related to the QA470 and QA471 Low-Noise Mic Preamp