... *25mm 3. Supply voltage: DC12 4. In Stock RGB Amplifier RGB amplifier applies to all the voltage-controlled LED controller in our ... receives PWM(Pulse Width Modulation), each time add one RGB amplifier, the connecting number of led will bemore than twice, in ... not occur between wires,and then connect power for RGB amplifier,and RGB amplifier goes hand in hand with LED controller Hot sale RGB AMplifier