Feature: 1. Sound Decoding: The sound decoding system can decode DTS for Dolby AC 3, LPCM and other digital sound formats, support U disk Storage Card playback ISO sound, DSD256, DTS, DTS ES, AC3, HDCD, WAV, WMA, FLAC, APE, MP3, OGG, M4A and other lossless superior sound. Playback, support for HD Multimedia Interface input source sound decoding, support for ARC sound return, support for optical fiber and coaxial input decoding, support for Bluetooth 5.0 wireless transmission, support for AUX stereo input. 2. Applicable Equipment: Can be through the digital optical coaxial source code output, PCM output and 5.1 decoding output, fully compatible with all amplifiers or active sound equipment on the market. Front panel 2.8 inch TFT color screen display, can display the working status of the product and setup interface, infrared remote control, can be used with DVD player, network player, set top box, for Android player, computer PC, for PS3, for Xbox360, TV, home theater, automotive, and many other entertainment equipment inter computer docking. 3. Compatible and Decoding Formats: DTS, DTS ES, DTS HD, AC3, Db True HD, FLAC, APE, WAV, HDCD, AAC, WMV, MP3, m4a and so on. Support 5.1ch or 2.0ch output. 2.0ch will be output via FL FR. LCD panel display, real time display of playback information. 4. 5 Output Modes: Support analog output can be switched to 2.0, 2.1, 3.1, 4.1 and 5.1 channel five output modes, according to the number of speakers flexible configuration. Support all the way optical source code output, all the way coaxial source code output, can be directly connected with the amplifier or active speakers with optical or coaxial input. 5. Bluetooth 5.0 Transmission Mode: Adopts Bluetooth 5.0 transmission mode, supports AAC SBC protocol, transmission distance up to 15 meters, can automatically detect and compatible with Bluetooth devices. Adopt 24 bit 192KHz sound DSP, 24bit 192KHz ES9023P three two channel DAC chip, with power on reset function. 6. Equalizer Control: Surround amplification device has clear buttons for sound source, selector, microphone adjustment and master volume adjustment knob. Supports 5.8G wireless surround module expansion with BT pairing switch, radio tuner, bass treble, mute and delay buttons. Specification: Item Type: 5.1 Surround Sound Decoder Material: Metal HD Multimedia Interface Resolution Support: HD Multimedia Interface 2.0b 3840x2160 Support Digital Your Sound Format: for Dolby Digital (AC3), DTS, PCM USB Storage Card Playback Sound Format: MP3, APE, FLAC, WAV, DTS, AC3, DSD256, M4A DSP Sampling Frequency: 32-192KHz DSP Bit Rate: 16-24 Bit 5.1 Analog Output: ≥2V RMS (1KHz 0dB) SNR: ≥112dB Distortion Level: ≤0.03% Frequency Response: 20Hz-20KHz Bluetooth Receiving Distance: ≤Approx. 15m/49.2ft Remote Control Battery: 2xAAA Alkaline Batteries (Not Included). Package List: 1 x HiFi 5.1CH Sound System 1 x Remote Control 1 x Digital Coaxial Cable 1 x Fiber Optic Sound Cable 1 x USB 2.0 Data Cable 1 x Antenna 1 x Power Adapter 1 x User Manual