Safe city outdoor help intercom terminal(YY-9928) |
Aluminium magnesium waterproof active sound column outside broadcasting(Y-9920-9940-9960) |
Large type waterproof active sound column(YY-9990-99120-99180 ) |
LCD screen MP3 automatic timing play host YY-8512(The small screen) |
LCD screen MP3 automatic timing play host YY-8512(screen) |
MP3 automatic broadcast host(YY-8200) |
Digital automatic broadcasting system(YY-8300) |
Digital addressable automatic broadcasting system(YY-8500) |
Digital addressable single point power terminal(YY-8502) |
Digital addressable region controller(YY-8505) |
Digital 16-way hand/automatic addressable partitioner(YY-8501) |
Combined broadcasting power amplifier(YY-70/120/180/280/380/500/680) |