Akai AHC1600. Optical disc player type: DVD player, Disc types supported: CD, CD-R, CD-ROM, CD-RW, DVD, DVD+R, DVD+RW, DVD-R, DVD-RW, Disc loading type: Top. Video formats supported: MPEG4, Analog signal format system: NTSC, PAL. Audio output channels: 2.1, Audio formats supported: MP3. Front speakers RMS power: 36 W, Front speaker peak power: 100 W. Subwoofer type: Active, Subwoofer RMS power: 36 W, Subwoofer sensitivity: 80 dB