The mastery of reading and writing the Quran, in accordance with the rules of tajwid science, is essential for every Muslim. This study aims to investigate the effectiveness of the Kun Anta (the rules of nun sukun and tanwin) media in improving the learning outcomes of fourth-grade students in the subject of nun sukun and tanwin. The research objectives are to determine the students' learning outcomes before the application of Kun Anta media, to describe the application of Kun Anta media in improving student learning outcomes, and to assess the impact of the media on student learning outcomes. This study uses a classroom action research approach in two cycles, based on the Kurt Lewin model. The data collection methods include interviews, observations, documentation, and pre-test and post-test assessments. The results of the pre-cycle stage research show that only 2 students passed with an average score of 51 and a completeness percentage of 10%. However, in cycle 1, student learning outcomes increased with an average score of 60.75 and a completeness percentage of 40%. In cycle 2, there was a further increase in learning outcomes, with a completeness percentage of 90% and an average value of 80. In conclusion, the use of Kun Anta media can significantly improve the learning outcomes of fourth-grade students in SDN Alang-AlangCaruban 1 JogorotoJombang in the lesson of the rules of nun sukun and tanwin.