Using the Audioengine HD6 speakers is a breeze. First, connect the speakers to your power source using the detachable power cord. Then, choose your input method. You can use Bluetooth to connect your computer, phone, or media player. If you want better quality, use the digital optical input. For other devices like MP3 players, use the RCA or mini - jack inputs. Adjust the volume using the front - panel volume control or the remote control. When using the speakers, make sure they are placed on a stable surface. Avoid exposing them to extreme temperatures or humidity. For maintenance, gently clean the cabinets with a soft, dry cloth. Check the cables regularly for any signs of damage and replace them if necessary. Keep the speakers away from sharp objects to prevent scratches on the cabinets and grills. These speakers work with a wide range of devices and operating systems, so you can enjoy your favorite music hassle - free.