Step 1: Connect the speaker wire from the HD4 left (powered) speaker to the right (passive) speaker.
Step 2: Attach the wireless antenna to the HD4 rear panel.
Step 3: Insert the power cable into the HD4 rear panel and plug the other end into an AC power outlet.
Step 4: Turn on the HD4 power switch located on the rear panel. HD4 will automatically go into Bluetooth "pair mode" and the Pair button on the HD4 rear panel should start flashing.
Step 5: On your device (phone, tablet, laptop, etc), turn on Bluetooth and go to Bluetooth preferences.
Step 6: Select "Audioengine HD4" to pair and connect. The Pair indicator on the HD4 rear panel should be solid. Play your music and adjust volume levels on HD4 and your device.
Step 7: To add additional devices put HD4 back into pair mode by disconnecting HD4 from your device or by pressing and holding the Pair button on the HD4 front panel until the pair indicator starts flashing. HD4 can wirelessly connect to only one device at a time, however it will remember up to six different devices.
Step 8: Connect one of the included audio cables to your music player (phone, tablet, computer, TV, etc) and the other end to an input on the HD4 rear panel.
Step 9: Play your music and adjust the volume on the speakers and your device to the desired listening levels.
For the full setup guide, download the attached PDF:
HD4 Quickstart Guide