RMS: woofer 40W Satellite: 5 x 15W Frequency response: 30Hz - 20KHz Channel crosstalk: > 50dB S/N ratio: > 70dB Speaker system: 6.5" woofer on main unit 1 x 1.5" tweeter + 1 x 3" drivers on front satellite units 1 x 1.5" tweeter + 1 x 3" drivers on rear satellite units 1 x 1.5" tweeter + 2 x 3" drivers on centre satellite units Product size Subwoofer: W200 x H330 x D364mm Satellite speaker: W104 x H193 x D106mm CEN: W334 x H104 x D106mm Packing size: L880 x W460 x H410mm Packing: 20: 320 sets 40: 690 sets 40 HQ: 820 sets