There will be natural variations in volume between readers. Reject only if the volume is so high that the recording breaks up, or (more commonly) if it is so low that you can’t hear what is being said without reference to the written text.
Yɛlɛmaba bɛna kɛ kalanbagaw ni ɲɔgɔn cɛ kumakan hakɛ la. I ka ban dɔrɔn ni kumakan ka bon fo fɔlisen bɛ tiɲɛ, walima (a ka c’a la) ni a dɔgɔyara fo i tɛ se ka kuma fɔlenw mɛn k’a sɔrɔ i ma kuma sɛbɛn sɛbɛnnen kan.