Koss KS4192 Progressive-Scan DVD Home Theater System (Discontinued by Manufacturer) Home theater system with combo receiver/amplifier and progressive-scan DVD player, plus 6.1-channel surround speaker system 600 watts of total power; includes SD memory card slot for immediate enjoyment of JPEG images or MP3 music files DVD player compatible with VCD, DVD-R/RW, DVD+R/RW, CD-R/RW, MP3, WMA, and JPEG CD Variety of audio and video connections, including S-video, component, and digital-audio input and output 6.1-channel Dolby Digital output