Specifications:This decoder can decode the DTS/AC-3 source digital audio signal and convert it to an analog 5.1 channel audio signal.The analog stereo (R/L) signal is converted into an analog 5.1 channel audio signal through the audio processing chip.2 SPDIF optical fiber inputs, 1 coaxial coaxial input, and 1 stereo stereo input, more complete multi-channel digital audio output brings more convenient switching.It has RCA output interface, convenient to connect to the power amplifier.Multi-channel one-key switch design, convenient and fast.Item Name: Digital Surround Sound DecoderSocket Type: EU Plug, UK Plug, US PlugSignal To Noise Ratio: 120dbResolution: 80db (1KHZ)Response Frequency: 20Hz - 20KHz +/- 0.5dbAnalog Output Level: 2.2VFeatures: Easy Operation, DTS 5.1, Durable, Fine WorkmanshipSize: 11cm x 8cm x 3cm/4.33" x 3.15" x 1.18" (Approx.)Notes:Due to the light and screen setting difference, the item& 39;s color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Host1 x User Manual1 x Power Supply