... box Loading Qty 1,100/40'HQDelivery Detail:30 daysSpecifications1, 5.1CH Home Theater System 2, USB 2.0 slot 3, RMS:105W --160W ... 4, PMPO:1,600W 5, Private moldProduct Description:1, 5.1CH DVD Home Theater System2, Universal power: AC 110-240V, 60 ... *2.75" Frequency:180Hz-20KHzS/N Ratio:≥85dBDistortion rate :1% 5.1CH Home Theater System