BOSE(R) Lifestyle 48 DVD home entertainment system Size - 33/4H x 153/4W x 111/2D media center; 41/2H x 21/4W x 31/4D speaker arrays; 161/8H x 25W x 81/8D module Videostage 5 decoding and post-processing circuitry delivers a high-quality, five-channel surround sound experience from practically any source - DVDs, videocassettes, stereo CDs, even older mono TV shows and movies. Proprietary uMusic system stores 340 hours of music and adapts to your changing preferences--no menus, no playlists, no computer Decodes Dolby Digital and DTS 5.1 surround sound, offers Bose Videostage 5 processing, which generates 5.1 audio from any 1- or 2-channel source ADAPTiQ system optimizes the system's sound to your listening positions and your room