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. Item Type: Sound Decoder Material: Metal HD multimedia interface Resolution Support: 3840 x 2160 (30Hz) Digital Sound Format Support: For Dolby Digital (AC3)/DTS/PCM USB Sound Format Support: MP3/APE/FLAC/WAV/DTS/AC3 DSP Sampling Frequency: 32~192KHz DSP Bit Rate: 16~24 Bit 5.1 Analog Output: ≥1.5V RMS (1KHz at 0dB) Signal to Noise Ratio: ≥90dB Distortion: ≤0.03% Frequency Response: 20Hz-20KHz Bluetooth Reception Distance: ≤15m Remote Control Battery: 2 x AAA Alkaline Batteries (not included) 1 x Sound Decoder 1 x Remote Control 1 x Digital Coaxial Cable1 x Optical Sound Cable 1 x USB3.0 Data Cable 1 x Antenna 1 x Power Adapter 1 x User Manual