This 4channel Amplifier is able to use for RGBW/RGBWW 12V/24VDC LED lights. With 6Amp/Channel, its max load is 24Amp. It's usually used with controller together, to enlarge the signal, to make one controller can control more LED Lights that over its rated load. Specification Operating Voltage DC5-24V Product Size L35*W10*H8 (mm) Net Weight 15g Output Channel 4 channel (R,G,B,W) Connection Way Common Anode Output Current 4Amp/Cannel Output Wattage 12V:<192W, 24V:<384W Application Enlarge signal, work for RGBW/RGBWW LED strips or bars Wiring 5Pin Input End for connect to RGBW Controller; 5Pin Output End for connect to RGBW LED Strip; The Red/Black Wire for connect to Power Supply Postive(Red) and Negative(Black) Poles.