AT-02 is a TV soundbar which handles Dolby Atmos, DTS:X and their downward versions. 5 channels, 8 speaker units and Class D audio amplifier. Two 4” bass units and 200W driving will give you better low frequency as low as 40Hz. 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.