Product introduction: The digital audio decoder supports Dolby Digital AC-3, Dolby Pro Logic, DTS, PCM, and other digital audio format source decoding. It offers multiple sound field and playback modes with 5.1 analog audio output. It automatically works with different amplifiers and speakers to deliver various sound effects. Easy to connect to various entertainment devices with optical, coaxial digital signal, and analog output signals such as set-top boxes, HD players, Blu-ray DVD players, and XBOX360.Product Features: 1. Converts Dolby/DTS/AC-3 digital signals into 5.1 analog output. 2. Converts stereo (R/L) audio signal into 5.1 analog output. 3. Supports multiple input interfaces including two SPDIF inputs, one coaxial input, and one stereo input. Standard Power Input: 5V Power Consumption: 5W Audio Input: SPDIF × 2 Coaxial × 1 3.5mm Audio L/R Audio Output: 5.1 Channel (FL/FR/SL/SR/CEN/SW) Formats Supported: DTS-HD, Dolby TrueHD, LPCM 2/5.1/7.1CH, DTS, Dolby AC3, DSD SNR: 120dB Channel Separation: 85dB Frequency Response: (20Hz - 20kHz) ±0.5dB THD: 0.1% Max Output Voltage: 2.2V ESD Protection: ±8kV (air-gap discharge) ±4kV (contact discharge) Operating Temperature: 0°C - 60°C Storage Temperature: -20°C - 80°C Humidity: 20% ~ 90% RH (Non-condensing) Color: Black Material: Plastic + Metal Package Contents: 1 x Digital Audio Decoder 1 x Charging Cable 1 x Optical Cable 1 x User Manual Only the above package content is included; other products are not included. Note: Light shooting and different displays may cause the color of the item in the picture to vary slightly from the real thing. Measurement allowed error is +/- 1-3cm.