SA-D38 The signal amplifier is a converter for DMX512 signals. Its function is to amplify signals. It has stable performance and is easy to use. It is a newly developed product designed to address issues such as AC high - voltage reverse - connection, lamp short - circuit, lightning - induced high - voltage intrusion, and line short - circuit, which can cause high - voltage to intrude into the signal line and burn out the computer console. It is widely used in lighting suspension installation projects in variety show studios, live - streaming room lighting, virtual studios, etc.