It was purchased for the second time to build the 7.1 system. Cost effective

Previously, Huiwei products were used. This time, the amplifier was upgraded to 9.1 channels of panoramic sound, and three pairs of surround speakers were purchased, which were used for left and right surround and front and rear raised surround respectively. In order to give consideration to the beauty of the home, instead of choosing the larger D5M, we chose D3.2R, which is also a change of gun.

I bought another group for the event. I didn't listen carefully and couldn't tell whether it was good or bad.