Using this power amplifier is easy. First, connect your audio source to the Phoenix connector inputs. Then, attach your speakers to the bare wire outputs. Make sure to use the correct power supply that comes with the product and plug it into a 20A power source. When using, keep it in a well - ventilated area to prevent overheating. For maintenance, clean the exterior regularly with a soft, dry cloth. Avoid exposing it to moisture or dust. If you encounter any issues, check the connections first before seeking further assistance.