DTS/AC3 audio decoder is mainly used in high-definition playback devices, such as HD players, hard disk player, blu-ray DVD, PS3, XBOX360, computers, DVD, HD - CD, KTV, play equipment such as audio output of the digital optical fiber or coaxial DTS, dolby AC3 audio source signals of acoustic signal decoding reduction, 5.1 or 2.1 -channel power amplifier output analog or active speaker, for a lot of family, school, square, concert hall, KTV, cinemas and other places to enjoy DTS/AC - 3 dolby shock caused by acoustic effect!