Specifications: 1) Model: T-5100B 2) Output power: 25W + 5W x 5 3) Dimensions: a) Subwoofer: 170 x 265 x 300mm b) Satellite: 81 x 105 x 100mm 4) Weight: about 7.0kg 8) Speaker: 3", magnetically shielded, 4ohm,5W 9) Subwoofer: 5.25", magnetically shidlde, 4ohm, 25W Inner packing: color box Dimensions: 362 x 350 x 267mm Outer packing: 2 sets/carton Carton dimensions: 715 x 377 x 285mm Conveyance: Qty/20' FCL: 728 sets Qty/40' FCL: 1508 sets Qty/40' HQ: 1770 sets