QS series is a powerful and excellent embedded speaker designed for custom installation of villas, home theaters, professional theaters, hotels, cafes, clearing bars, movie cafes, leisure clubs, conference halls, background music, etc. 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.