AC-3 5.1 Channel Surround Sound Speakers with VFD display Multiple video and audio input Subwoofer: Drive Unit : 8 Inches Output Power:100W(RMS) Frequency:38Hz-250Hz Impedance:8 Ohms Sensitivity:85dB THD<0.1% Full Remote Control Tower Speakers: Drive Unit: Front:3 inch *2+2inch Center:3 inch *2+2inch Surround:3 inch*2+2inch Output Power: 40W*5 Frequency:250Hz-20Khz Impedance:8Ohms Sensitivity:85dB DVD PLAYER Fully compatible with DIVX/MPEG4 DVD/MP3/CD/CD-R/CD-RW/DVD-R/DVD-RW/KODAK PICTURE Video horizontal resolution of over 500 lines. Parental lock-up function.