TD-9 is a Hi-Fi bookshelf speaker with 2-way 2 drivers and rear bass reflex design. It adopt 1.1 inches tweeter with dome shape diagram and 7 inches mid-bass unit. It’s made of 50mm medium density fiberboard and decorated with rosewood veneers. It’s a bookshelf speaker handling 40-25kHz frequency response.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.