Radio Ultra you can listen on this page of our site. Station work in genres: Pop, Folk, Ethnic. ULTRA is the first radio network in Southwestern Bulgaria. We broadcast high quality stereo sound on our frequencies from Sofia and Pernik to Dupnitsa, Blagoevgrad, Simitli, Kresna, Sandanski and Petrich, as well as Pazardzhik and Plovdiv.. Radio Ultra has a rating 5.0. Broadcasting country: Bulgaria. The station was rated by 27 listeners. Radio Ultra you can also listen in the FMCUBE app for Android.