Feature:1. Sound Decoding System: Used to decode for Dolby AC‑3, LPCM and other digital sound format source code, support U disk playback DTS, AC3, WAV, FLAC, APE, MP3 and other sound. Support HD multimedia interface input source sound decoding, ARC return, fiber optic and coaxial input decoding, Bluetooth 5.0, USB playback and computer USB sound card, mobile OTG.2. Wide Compatibility: Through 5.1 channel or 2.0 channel output, fully compatible with all power amplifier or active sound equipment on the market, including DVD players, BD player, network players, set top boxes, for PS3, for Xbox 360, PC, home theater, cars and many other entertainment devices.3. Compatible Digital Sound: Support for Dolby digital AC3, DTS, LPCM, HDCD, PCM, for Dolby Digital, for Dolby Prologic II and other digital sound format decoding.4. Powerful Sound Video Processing: Support HD multimedia interface 2.0b version (maximum resolution support 4K at 30hz) compatible with HD multimedia interface 1.4 version. Support HDCP version 2.3, compatible with HDCP 2.2,HDCP1.4, support 3D and HDR. Adopt 24bit/192KHz sound DSP, the fourth generation 24bit/192KHz DAC six channel chip, with power on reset function.5. Power Off Memory: When the digital sound decoder is turned back on, it automatically switches to the last used signal channel and USB play memory files before power off.Specification:Item Type: Sound DecoderMaterial: MetalHD multimedia interface Resolution Support: 3840 x 2160 (30Hz)Digital Sound Format Support: For Dolby Digital (AC3)/DTS/PCMUSB Sound Format Support: MP3/APE/FLAC/WAV/DTS/AC3DSP Sampling Frequency: 32~192KHzDSP Bit Rate: 16~24 Bit5.1 Analog Output: ≥1.5V RMS (1KHz at 0dB)Signal to Noise Ratio: ≥90dBDistortion: ≤0.03%Frequency Response: 20Hz-20KHzBluetooth Reception Distance: ≤15mRemote Control Battery: 2 x AAA Alkaline Batteries (not included).Package List:1 x Sound Decoder 1 x Remote Control1 x Digital Coaxial Cable1 x Optical Sound Cable1 x USB3.0 Data Cable1 x Antenna1 x Power Adapter1 x User Manual