1、Premium Sound: Multi functional 5.1 channel digital sound system is perfect for your karaoke, home theater entertainment system, HD Multimedia Interface 2.0b and HDCP 2.3 version, support 4K x 2K at 60Hz, 3D and HDR, support HD Multimedia Interface ARC function allows you to enjoy premium amplified sound. 2、Multiple Inputs: Support 3 HD Multimedia Interface inputs, 1 ARC input, 1 digital coaxial input, 1 digital optical input, 1 PC USB input, 1 AUX input, 1 Bluetooth 5.0 input, 1 USB2.0 interface input (connect USB flash drive), and different sources can be switched freely by button or remote control. 3、Bluetooth 5.0: Through the built in Bluetooth 5.0 system, play music from various sound sources and create an integrated multi room sound system. This sound decoder allows wireless music streaming from popular streaming apps such as for Spotify and more. 4、Equalizer Control: Surround amplification device features clear buttons for sound source, selector, microphone adjustment and master volume knob. Supports 5.8G wireless surround module expansion with BT pairing switch, radio tuner, bass and treble, mute and delay buttons. 5、HiFi Player: Bluetooth sound decoder supports many different devices such as TVs, TV boxes, set top boxes, projectors, IPTV, for PS5, for XBox consoles, PCs, USB flash drives, cell phones, tablets, with synchronized sound and video input or output. 6、3.2 Inch Color Display: The compact sound amplifier has built in digital LCD display panel that shows all functions and inputs used. The package also includes an antenna, power cord and remote control for sound adjustment from a distance. Item Type: Sound Decoder Material: Metal, ABS HD Multimedia Interface Version Support: HD Multimedia Interface 2.0b, HDCP 2.3 HD Multimedia Interface Resolution Support: 4K x 2K, 1080p, 1080i, 720p, 576p, 576i, 480p, 480i at 24, 50, 60fs Maximum Data Rate: 6Gbps HD Multimedia Interface Input, Output TMDS Signal: 0.5-1.5Volts p-p (TTL) HD Multimedia Interface Input, Output DDC Signal: 5Volts p-p (TTL) DSP Sampling Frequency: 24bit, 192kHz Digital Input Level: 0.1-1.5V p-p 5.1 Analog Output: ≥2V RMS (1kHz at 0dB) SNR: ≥112dB Distortion: ≤0.03% Frequency Response: 20Hz-20kHz BT Version: 5.0 BT Reception Distance: ≤15m/49.2ft Remote Control Battery: 2 x AAA Alkaline Batteries (Not Included) 1 x Sound Decoder 1 x Remote Control 1 x Fiber Optic Sound Cable 1 x Power Adapter 1 x USB Cable 1 x Antenna 1 x User Manual