AT-2000 is a high-end home theater & Karaoke integrated amplifier. It handles Dolby Atmos & DTS:X and is backwards compatible with all the previous iterations of those sound formats. It supports 4K, 3D, HDR, Dolby Vision, ARC audio playback, microphone APP control, USB disk, Bluetooth, TF card and also several lossless and compressed audio formats. It can be set up as 7.2.4 system which brings immersive Karaoke experience. 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.