Roland S4000S0832 ?�?U C??M �m Thanh Cho V-Mixer 8In/32Out, K�?T N�?I V-Mixer Chu�?N Reac., Ph�n Chia Ti?N Hi�?U Reac Cho V-Mixer, 1 C�?Ng Chi?Nh, 1 C�?Ng D?? Pho?Ng.