What is a mid central neutral vowel typically occurring in unstressed syllables as the final of English sofa?

The mid central neutral vowel typically occurring in unstressed syllables as the final of English "sofa" is represented by the IPA symbol ə (schwa).

This vowel sound is often described as a "short u" or "uh" sound, and it's very common in English, particularly in unstressed syllables.

So, the pronunciation of "sofa" is /ˈsoʊ.fə/.