Dolby Digital/dts/Dolby Prologic II Decorder Movie/Music Mode -Automatic mode change for ideal movie and music sound Playback DVD-R/+R/+R DL/+RW/-RW/-RW(VR) *some discs may not be playbacked Multi-Speaker Formation -True flexibility on speaker positioning and number of speakers used. European Award Winning S-Master Full Digital Amplifier Playback: DVD, CD, CD-R/RW, MP3, Divx, Jpeg Portable Audio Enhancer -DSP equalizing feature for superior music sound playback when connected to portable audio player DCAC(Digital Cinema Auto Calibration) automatic speaker set-up -1 botton/2 minutes easy speaker set-up using microphone. Total 850W (RMS) output power 142Wx5+140W Subwoofer