Shenzhen Fanhai Sanjiang Electronics Co., Ltd. products

GB9221 series fire alarm broadcast amplifiers are an extension device for emergency broadcast at fire or other accident scenes.In the field of fire broadcast, GB9221 must be used with the GB9242(Fire Broadcasting Host)to complete the fire broadcast. Background music broadcast can be directly played by external input source signals (such as CD/MP3 player, tuner, etc.) when there’s no accident event.