he Panasonic PT-FRZ50BU projector features a high efficiency filterless cooling system, hermetically sealed DMD block, and dust-resistant shielded laser drive to ensure 20,000 hours of stable maintenance-free projection. No more dark rooms and distracting projector noise. The PT-FRZ50BU creates dynamic images that resist washout under lights while operating noise is reduced to an inaudible 27 dB in Quiet Mode. Quartet Color Harmonizer optimizes the wheel and filter to boost color vibrancy.