QS series is a powerful and excellent embedded speaker specially designed for custom installation of villas, home theaters, professional theaters, hotels, coffee shops, clean 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.