Most multimedia projectors come with built-in speakers that you can use for small and medium-sized group presentations. However, if you are presenting to a large audience, you may want to connect your projector to an external PA system or to external speakers. This allows you to use the projector's built-in sound function — but also allows you enhanced sound output.

If you want to connect a projector to an external sound system, you need to obtain an RCA-to-3.5 stereo audio cable. You can get this cable from your local projector dealer or from an electronics store.

To connect a projector to an external sound system

1. Turn off the projector and external sound system.



2. Make the following connections:



• Connect the cable's 3.5 mm stereo miniplug to the projector's Audio Out jack.



• Connect the RCA plugs to the external amplified speaker or PA system.



• Insert the cable's red plug into the Audio R jack. Insert the white plug into the Audio L jack.



3. Turn on the projector and sound system to test.