AT-300 is a professional theater & music center integrated audio-video decoder for 9.3.4 setup. It’s developed and designed by engineers recognized by American THX company. It supports 4K decoding and is Dolby Atmos, DTS:X & HDMI2.0 certified. As a multi-functional processor, it can be used for houses, cinemas and theaters for immersive 3D Hi-Fi sound effect. 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.