https://www.dxomark.com/xiaomi-redmi-k40-pro-audio-review-deft-in-recording/
Xiaomi Redmi K40 Pro + Audio review: Deft in recording - DXOMARK
Jun 30, 2021 - The Xiaomi Redmi K40 Pro+ performed decently in playback, particularly volume, and in recording, with above-average results in several attributes.
xiaomi redmi k40 proaudio reviewdeftrecordingdxomark