Слаботоков завод „Климент Ворошилов“ – София
Високоговорител тип ВГК 0,3
Вход 15 и 30 V
Wire broadcasting system „Voroshilov“ VGK 0,3. These spekers were present in every office room in Socialist Bulgaria and official propaganda was transmitted from a central receiver during party congresses, plenary sessions and other political events.