1、5.1 Channel mode, Automatic conversion of optical fiber/coaxial channel (support for LPCM/PCM/ original) input, 5.1 sound channel output convenient and free to enjoy high‑definition digital life brought by technology, cinema level enjoyment. 2、Adopt high‑performance for Linux operating system and audio decoder chip, support DTS/AC‑32.1 sound channel /5.1 sound channel output, one key switch. 3、Hi‑fi design with pure sound, using HIFI circuit design, electronic noise reduction, sound stability, no distortion. 4、High compatibility, Support for network player/HD TV/Blu‑ray DVD/DVD/PS3/Xbox. 5、Supports for Dolby AC‑3/DTS decoding (including 5.1 original digital audio streams). DTS/AC‑3 source code digital audio signal decoding, into analog 5.1 channel audio signal. Item Type: Audio Decoder Material: Metal Color: As Pictures Shown Product Size: Approx. 105x75x25mm/4.1x3x1in Weight: Approx. 306g/10.8ozAudio Formats: MP3, AC3, DTS, WAV, WMA, AAC, FLAC, APE, OGG, M4A, M3U8 SNR: 120dB Resolution: 80 db (1KHZ） Channel Imbalance: 0db Sampling Rate: 32-192 Khz Bit Rate: 16-24 Bits Response Frequency: 20hz-20khz +/ -0.7db Total Harmonic Distortion (THD) : 20hz-20khz 0.25-0.065% Total Harmonic Distortion + Noise (THD) +N) : 1KHz 0.15%. Analog Output Level: 2.2V The Maximum Working Current: 400mА 1 x Decoder 1 x Power Adapter 1 x User Manual 1x Optical Fiber Signal Line