成人黄色污小视频,澳门无码高清日韩,凹凸国产**精品视频,五月丁香啪啪高清,日韩av免费不卡高清无码,国产精品线在线精品,精品国产三级av在线,天天操夜夜操2017,在线日韩无码在视频播放器,国产色精品vr一区二区

V-12 using the new DSP digital audio processing, make the perfect combination of acoustic and electronic research and development, to be compatible with the viewing, KTV and games full function type AH series products; sound reinforcement equipment can achieve perfection in game viewing, K song, in different ways under the sound show, become an indispensable part of the formation of the whole system the traditional; audio equipment can not be achieved, restore the voice of the authenticity of the viewing, the sense of heart song when ear, game vivid sound experience.