In an genuine listening room, you would find that some speakers Perform louder than Many others when fed the identical number of ability. In equal electricity manner, you can expect to listen to these dissimilarities in loudness since they naturally occur concerning speakers.T.Huy XSMB: Gi?i ??c bi?t k?t qu? x? s? Mi?n B?c ???c bao nhiêu v?y m?i n