home theater system: 1. Fully compatible with DVD,super VCD/ ... RW,DVD-R/RW,JPEG,support USB and card Home Theater system detailed specification: 1.Fully compatible with DVD,super VCD ... alloy panel8.Power frequency :50/60Hz 9.Impedance:4-8 ohm10.Consumption:30W 11.Total distortion rate:<0 ... 20KHZ, voltage:220V, input impedance:100K, output impedance:4,8 ohm,output consumption:40W+40W,S/N ratio:91db16 ...