RMS: Woofer: 30W Satellite: 5 x 10W Frequency response: 40Hz - 20KHz Channel crosstalk: > 50dB S/N ratio: > 70dB Speaker system: 5.25" woofer on main unit 5 x 3" drivers on satellite units Product size Subwoofer: W170 x H300 x D280mm Satellite speaker: W94 x H159 x D104mm Packing size: L695 x W460 x H315mm Packing: 20: 600 sets 40: 1202 sets 40 HQ: 1352 sets