Communication in education is a very important element in its position, even a very large role in determining the success of education. Successful and interesting learning requires a good and appropriate communication model. Good communication should be supported by educational communication media. Communication media provides more value for benefits so that education has a positive use-value for life and life. This study aims to determine the effectiveness of audio-visual podcasts as a medium of educational communication in terms of student learning outcomes. This type of research is quantitative research with a quasi-experimental research method with a pretest-posttest control group design with one experimental class and one control class from class VII Muhammadiyah 6 Krian Junior High School (SMP). The research instrument was a question of students' cognitive abilities. Based on the results of the pretest value of the control class of 54.8 and the experimental class of 62.8, the post-test value of the control class was 65.9 and the experimental class was 67.2. Data analysis was carried out using the N-gain method. The control class's N-Gain score was 13% and the experimental class was 20% so the average N-gain of the two classes was 16%, which can be categorized that audio-visual podcasts are not effective for junior high school students' learning outcomes.