Using this American Audio VLP 600 power amplifier is easy. First, connect it to a power source using the provided correct power supply. Make sure the power switch is off before making any connections. Then, connect your audio sources to the appropriate input channels. Once everything is connected, turn on the power switch. You can adjust the volume and other settings as needed. When not in use, turn off the amplifier to save energy. Keep it in a dry and well - ventilated place to prevent overheating. Periodically check the connections to ensure they are secure. If you have any problems, refer to the user manual or contact customer support.