Introduction??o This 5.1 Digital Audio Decoder uses 24-bit audio DSP, 96 KHz digital receivers, and 192 KHz/24bit ADC and DAC. Supports Dolby Digital AC-3, Dolby Pro Logic, DTS, PCM and other digital audio formats decoding, a variety of sound field and the replay results of two listening modes. It will work with different amplifier and speakers to get different sound effects, and it???s easy to connect many entertainment devices with digital optical or coaxial or 3.5mm analog output (such as: set-top boxes, HD players, DVD, Blu-ray player, PS2, PS3, XBOX360).Features: 100% brand new and high quality Converts DTS/AC3 source digital audio to analog 5.1 audio or stereo audio output; Converts analog stereo signal to analog 5.1 channel output with digital processing chip; Multiple audio inputs: 2 x SPDIF input, 1 x Coaxial Input, 1 x Stereo Analog 5.1-channel (6x RCA) or Stereo output Specifications: Signal to Noise: 120db Degree of Separation: 85db Frequency Response: (20Hz~20 KHz) +/- 0.5db Max Output Volt: 2.2V. Plug: US PLUG=1;EU PLUG=2;UK PLUG=3;AU PLUG=4Package Included: 1X DTS Digital Audio decoder 1X 5V/1A Power supply 1X Fiber-optic cable 1X User manualNO Retail Box. Packed Safely in Bubble Bag.