SUB-1280B is a 12 inches active subwoofer bass speaker with Class D 600W high power driving with characteristics of low distortion and large amplitude. The bass unit is made by solid and durable materials to achieve long term and high quality low frequency entertainment. 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.