RCA D40W20 40" HDTV-Ready Theaterwide TV 40-inch diagonal widescreen HDTV monitor; 38.125 x 43.75 x 22.25 inches (W x H x D) Dual HD progressive-scan inputs let you appreciate the full quality of DTV set-top boxes and progressive-scan DVD players INTELLIFOCUS auto digital convergence optimizes convergence for the sharpest picture possible 3D Y/C digital frame comb filter removes blurred edges between colors and reduces dot crawl A dedicated subwoofer output lets you hook up a powered subwoofer (no audio/video receiver required)