To use this Sonance amplifier, first connect it to the correct power supply. Make sure all the connections are secure. Place it in a well - ventilated area to avoid overheating. When you're done using it, turn it off properly. For maintenance, keep it clean by using a soft, dry cloth to wipe it regularly. Don't expose it to extreme temperatures or humidity. If you have any issues, refer to the user manual or contact customer support.