this product is vry kool fr small rooms ....as output rms is 37 watts .....bt still sound is superb ....it does not hv dolby pro logic II or any mode to convert 2.1 to 5.1....hence if u donot have a 5.1 sound card or supported motherboard there wont be any 5.1 output....the center speaker wont play and other 4 speakers play simultaneously .......so buy a 5.1 sound card .....flipkart delivery is ve