Denon S-102 High Style Integrated Entertainment System. Optical disc player type: DVD player, Disc types supported: CD/-R/-RW. Analog signal format system: NTSC/PAL. RMS rated power: 70 W, Audio output channels: 2.1, Audio decoders: Dolby Digital, DTS. Supported radio bands: FM/AM. Tweeter size: 25 mm, Mid-range driver size: 80 mm