Colorful 04 Professional Amplifer Adopting optical coupling circuit, complete electrical isolation4 DMX 512 signal outputSignal relay enhancing long-distance signal transmission capabilityStrong anti-jamming ability effective to filter external interference and terminal reflection interferencePhotoelectric isolation between input and output protecting expensive stage equipment effectivelyComplete isolation of each signal supplied by independent power without interference absolutelySignal transmission delay less than 0.1 microsecond surpassing other amplifiers with electromagnetism