... .12v-24v,3*4A 3.144w(12v),288(24v) 4.433MHz 5.185g, 130*65*24mm FS-RF4BHSummarizationRGB amplifier ... PWM(Pulse Width Modulation). Each time one RGB amplifier added, the number of led, which can be ... silk-screen prompts on the panel of RGB amplifier, to connect input and output signal wires. ... , and then connect power wire for the RGB amplifier.External Dimension Attentions: 1. Operating voltage of this ...