AT-2300PRO is a Dolby Atmos theater & Karaoke integrated amplifier. It's a all in one machine which combines home theater system, personal music center and professional Karaoke system. AT-2300PRO's professional 5.1.2 channel immersion karaoke system is pioneering in audio industry. Support audio return channel (ARC), which can make smart TV turn into song-order machine. 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.