When I still had analog outboard gear I used this box (worked just fine, solid constructions/switch)
But it's balanced/2 channels, not sure if that works for your mics..
https://www.amazon.nl/Nobsound-Balanced-Converter-Passieve-Selector/dp/B07QVKPR2V/ref=asc_df_B07QVKPR2V/?tag=nlshogostdde-21&linkCode=df0&hvadid=572439214943&hvpos=&hvnetw=g&hvrand=10718456041718613581&hvpone=&hvptwo=&hvqmt=&hvdev=c&hvdvcmdl=&hvlocint=&hvlocphy=9102937&hvtargid=pla-1409768888559&th=1
Found something simular on Aliexpress:
https://nl.aliexpress.com/item/4000835342106.html?spm=a2g0o.detail.1000060.1.3f3f2041sGOnsO&gps-id=pcDetailBottomMoreThisSeller&scm=1007.13339.274681.0&scm_id=1007.13339.274681.0&scm-url=1007.13339.274681.0&pvid=9da0bbe4-979f-4fb7-8fdf-9b53cd973c8b&_t=gps-id%3ApcDetailBottomMoreThisSeller%2Cscm-url%3A1007.13339.274681.0%2Cpvid%3A9da0bbe4-979f-4fb7-8fdf-9b53cd973c8b%2Ctpp_buckets%3A668%232846%238109%231935&pdp_ext_f={"sku_id"%3A"12000027918358178"%2C"sceneId"%3A"3339"}&pdp_npi=2%40dis!EUR!!76.51!!!!!%40211b5e2416576718478263932efd7a!12000027918358178!rec&gatewayAdapt=glo2nld
Or even cheaper and smaller
https://nl.aliexpress.com/item/4001029735892.html?gatewayAdapt=glo2nld