Tonewinner NEW built in wall in ceiling surround sound speakers

QS speaker series is a new speaker line designed for the need of market.It has great performance in voice.It's character is low distortion and high stabilization.It's application is very extensive.This product is a good choice of the speaker system. As a top 10 audio brand in China, Tonewinner has 30+ years experience in designing and manufacturing acoustic products. As an original supplier, Tonewinner always warmly welcomes distributors, partners and customers around the world.