Using the JBL VRX918S subwoofer is easy. First, make sure it's properly connected to your audio system. Place it in a suitable location where it can project sound effectively. When not in use, keep it covered with the included cover to protect it from dust and damage. Regularly check the connections to ensure they are secure. Also, avoid exposing it to extreme temperatures or moisture. Clean it gently with a dry cloth if it gets dirty. With these simple steps, you can enjoy great audio from your subwoofer for a long time.