PRO Audio, Speaker, Amplifier manufacturer / supplier in China, offering Qqchina PA Lbg-505 25W/35W Adjustable Public Address System PA Wall Mounted Speaker with CE, 100vor 8ohms Wall Mounted PA Waterproof Speaker (LBG-5085, CE Approve), Lingyin Fashion Music System Ceiling Speaker Lth-603 20W/10W/2.5W for Coffee Shop and so on.