Apex GB51HD09 51-Inch Projection HDTV 51-inch HDTV monitor in 16:9 widescreen format 1080i/720p/480p compatibility; performs 3:2 pulldown correction for distortion-free movie viewing 3D Y/C comb filter enhances resolution by removing the blurred edges between colors 2-tuner PIP (9- and 3-window), digital convergence BBE sound enhancement, stereo speakers