These Ltech Constant Current (CC) LED PWM Power Amplifiers can act as PWM to constant current converters, PWM signal input and constant current 350mA/700mA/1050mA or 1400mA/1750mA/2100mA output, to achieve PWM dimming control of different constant current led lamps.
Adding a CC power amplifier allows you to connect a multiple number of constant current LEDs. In theory, an infinite number of PWM constant current power amplifiers can be connected.