1)DVD+Radio+Amplifier+ external input. 2)5.1track. First-class home cinema effect. 3)compatible disc: DVD. MP4, VCD. SCVD. CD. MP3. JPEG. PICTVER-CD. ETC. 4)multi andio decoding: Dolby AC-3. MPEG. PCM. HDCD. Etc. 5)multi video output. Composite vedeo. S-Chormatic Aberration.