Philips HTS3450 DivX Ultra DVD Home Theater System. Video formats supported: DivX 3.11 DivX 4.x DivX 5.x DivX 6.0 DivX Ultra MPEG1 MPEG2 MPEG4, Video D/A Converter (DAC): 12 bit, 108 MHz, Analog signal format system: NTSC PAL. RMS rated power: 4x125, 2x250 W, Audio D/A Converter (DAC): 24 bit, 192 kHz, Audio formats supported: MP3 WMA. Supported radio bands: AM FM. Center speaker type: Magnetically shielded, Center speaker frequency range: 120 - 20000 Hz, Center speaker impedance: 3 Ом. Number of satellite speakers: Magnetically shielded front, Satellite speaker frequency range: 120 - 20000 Hz, Satellite speaker impedance: 3 Ом