Using this amplifier is easy. First, connect the correct power supply to the amplifier. Then, connect your audio or video source to the input of the amplifier. After that, connect your output devices to the 8 output channels of the amplifier. Make sure all connections are secure. When using, avoid placing the amplifier in a humid or hot environment. For maintenance, keep the amplifier clean by using a dry cloth to wipe it regularly. If there are any problems, contact the customer service immediately.