In equivalent volume manner, we've built the loudness of each and every speaker about the same. This gives you a more direct comparison of subtle voicing distinctions in between speakers. K?t Qu? X? S? K?t Qu? X? S? Mi?n Nam K?t Qu? X? S? Mi?n Trung K?t Qu? X? S? Mi?n B?c KQXS Các T?nh