Mine was disabled by default in spite of the manual stating otherwise. Epson didn't even know this model had Bluetooth until I convinced them to check. And then they couldn't understand why it wasn't enabled. Very strange.

Below is the procedure for activating Bluetooth.It works on all my speakers.

1. Switch on the Projector

2. Press and hold the Menu-Button for 8 sec.

3. Press the ESC-Button twice.
Now a new Window with Information about the PJ appears. With the
"Arrow-right" and "Arrow-left"-Button you can see several other Information Windows.

4. Press again the Menu-Button for 8 sec.

5. Press again the ESC-Button twice.

Now a new Windows appears.
On the left side you see 8 lines named "DIP-SW1" to "DIP-SW 8".
To enable BT menu set DIP-SW 7 BIT 2 from 0 to 1.

6. Restart PJ

7. Go to Menu -> Settings -> Bluetooth to enable this option.