SYN /sɪn/ (ACMA callsign: 3SYN) is an Australian community radio station broadcasting to Melbourne, Victoria. First broadcast in January 2003, the station is operated by SYN Media under a youth license, with programming presented entirely by volunteers aged 12–25 years old. The station broadcasts from studios on the campus of RMIT University, with additional content syndicated from other community radio stations in Australia.