Output Power: SUB 12Wx 2+ 16W RMS Signal-to-Noise:≥ 70dB Bass Unit: Non-magnetic 4 Inch Tweeter Unit: Non-magnetic 3 Inch Magnetically Shielded ALL Separation: ≥40dB(1KHz) Frequency: 45Hz ?20KHz Subwoofer Dimension: W150 x H255 x D285mm Satellite Speaker Dimension: W80 x H135 x D100mm Function Spec.: MUTE,VOL+/-,BASS-/-,LED & Manual Control Gift Box: L385 x W247 x H238mm Carton: L508 x W397 x H496mm 4Sets/Carton Container: 896Sets/20' 1920Sets/40' 2400Sets/40'HQ