FEATURES:[ Power Output: 70W(RMS)[ T.H.D.: < 0.1% [ Frequency Response: 60Hz~20KHz ± 3dB [ Speaker: 8-inch full-range [ Operating Mode: Direct operation on speaker unit [ Audio Inputs: LINE IN (6.35 phono plug)[ Power Supply: Built-in switchable power pack 90 - 264V AC plus 2 x 12V/4.5AH rechargeable battery [ Charging Time: 6 Hours (automatic charging management) [ Operating Time: 6~8 Hours [ Dimensions: 445(W) x 310(H) x 240(D) mm [ Weight: 7.5kg ";