Feature: 1. MAIN FUNCTION: 5.1 surround sound decoder decodes sound from HD Multimedia Interface, optical, coaxial, PC USB, Bluetooth, and USB flash drive playback into 5.1 independent channels of output (6 channels), which is then amplified by amplifier or active speakers for volume output. 2. SURROUND 5.1 SOUND: HD Multimedia Interface 2.0b and HDCP 2.3, support 4K 60Hz, 3D and HDR. surround sound 5.1 sound. Support for HD Multimedia Interface ARC function. HD Multimedia Interface 2.0 cable must be used when using ARC channel input. 3. 3 IN 1 OUT: Support 3 HD Multimedia Interface inputs, 1 digital coaxial input, 1 digital optical input, 1 digital PC USB input, 1 AUX input, 1 Bluetooth 5.0 input, 1 USB2.0 interface input, different signal sources can be freely switched between by button or remote control. 4. 5.1 ANALOG OUTPUT SYSTEM: HD Multimedia Interface 3 in 1 out sound decoder is suitable for home theater music games. All signal sources (HD Multimedia Interface ARC COX OPT PC USB AUX U disk USB) can be decoded to 5.1 output, which is a 5.1 analog output system. 5. SUPPORT SOUND FORMATS: 3 in 1 out sound decoder supports decoding output of all sound formats: DTS, DTS ES, DTS HD, AC3, Db True HD, FLAC, APE, WAV, HDCD, AAC, WMV, MP3, M4A, etc. Support 5.1 channel or 2.0 channel output mode. FL FR is active in 2.0 channel output mode. 6. SUPPORT DEVICES: Support many different devices such as TV, TV box, set top box, projector, monitor, IPTV, for XBox game console, PC, USB flash drive, cell phone, tablet PC. Sound and video synchronized input or output. LCD panel display with real time playback information. Specification: Item Type: HD Multimedia Interface 3 In 1 Out Sound Decoder Model: UD951B Material: Metal HD Multimedia Interface Support Version: HD Multimedia Interface 2.0b, HDCP 2.3 HD Multimedia Interface Resolution Support: 4Kx2K 1080p 1080i 720p 576p 576i 480p 480i At 24 50 60fs HD Multimedia Interface Maximum Data Rate: 6Gbps Support Sound Formats: DTS, DTS ES, AC3, FLAC, APE, WAV, HDCD, AAC, WMV, MP3, M4A, Etc. DSP Sampling Rate Sampling Frequency: 24bit 192KHz 5.1 Analog Output: ≥ 2V RMS (1KHz At 0dB) Signal To Noise Ratio: ≥95dB Distortion: ≤0.03% Frequency Response: 20Hz-20KHz Bluetooth Version: 5.0 Bluetooth Reception Distance: ≤15m/49.2ft Remote Control Battery: 2 x AAA Alkaline Batteries (Not Included). Package List: 1 x Sound Decoder1 x Remote Control1 x Optical Sound Cable1 x Power Adapter1 x Antenna1 x Instruction Manual Note: Power amplifier or active speaker must have 5.1 input port to achieve seamless connection with decoder