This short throw projector delivers big, vibrant images from the shortest focal distance available in the industry. Its many features make this versatile and high quality wide screen data projector the perfect choice for small room presentations. When the short throw projector is in stand-by mode, you can still use its high-volume 10W speaker. You can also use an external speaker anytime by connecting it via the Auto Out terminal. The Audio Mix feature and wireless microphone sold separately reproduce the speaker’s voice in real time loud and clear. With a significantly low 28dB noise level in low mode, the DLP projector operates quietly, never interfering with the presenter and in-room discussions. Using a large-diameter lens and optimal optical engine design, the WD380U-EST DLP projector features an extremely short throw ratio of only 0.375. Place the short throw projector as close as 80 inches to the screen and you’ll get large, wide screen projection can be enjoyed without visual interference.