This article points out the results of the study investigating the effect of using audio files on improving listening comprehension of high school students in Khorramabad -Iran-. For the purpose of the topic, two groups of students consisting of thirty four were randomly selected and were divided into two groups of seventeen. Research method was quasi-experimental. Although some native audio files were presented for the experimental group, both experimental and control group taught in the same

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... tyle. According to the results of post listening test and the related comparisons, findings showed that using audio files had positive meaningful effect on improving listening comprehension.