Toshiba 27AF42 27" Pure Flat Screen TV FST PURE fine-pitch flat picture tube eliminates unwanted reflections and increases viewing angle 3-line digital comb filter with Vertical Contour Correction for color clarity Invar shadow mask and black-level expander enhance color and contrast Double-baffle speaker system, simulated surround sound, and sub bass system (SBS) Advanced velocity-scan modulation improves definition at picture edges