HDMI ARC Audio Converter ARC to Optical Coaxial RCA 3.5mm AUX Adapter DTS Dolby AC3 LPCM Decoder for TV Soundbar Home TheaterBest selling 2026

If you have any questions, please contact us first and we will answer you professionally! HDMI ARC Audio Converter — Multi-Interface Input/Output Solution      This versatile audio converter supports ARC, optical (Toslink), and coaxial inputs, and can output to optical, coaxial, and analog stereo devices, making it easy to connect your TV or audio source to an amplifier, speakers, or headphone system.      With its compact design and plug-and-play functionality, it’s the ideal choice for upgrading your home theater and audio systems. Key Features Multiple Input Interfaces  •   HDMI ARC Input  •   Toslink Optical Input  •   Coaxial Input Multiple Audio Outputs  •   Toslink Optical Output  •   Coaxial Output  •   RCA Left/Right Channel Outputs (L/R)  •   3.5mm AUX Output Input Source Selection      Select ARC, optical, or coaxial input via the switch button or DIP switch. Supports Major Audio Formats  •   Toslink/Coaxial Output: DTS / Dolby-AC3 / DSD / LPCM  •   Analog R/L and 3.5mm Output: LPCM 2.0 Power-Off Memory Function      Automatically resumes the previous operating state after power is restored. Safety Protection Design      Built-in overvoltage protection prevents damage caused by incompatible power sources. Compact and Portable Design      Easy to install and space-saving. DC 5V Power Supply️ Note:  •   RCA (R/L) and 3.5mm AUX support LPCM 2.0 only  •   Dolby and DTS are supported only via optical or coaxial output ARC Usage Tips      When using the ARC feature, please use a standard 19+1 HDMI High-Speed cable and ensure that the ARC feature is enabled on your TV.️ Operation and Connection ARC Input Mode 1.  Connect the audio source to the ARC input port 2.  Set the input selector switch to “A” 3.  Connect the output to the audio receiver 4.  Connect to a 5V power source Optical Input Mode (Toslink) 1.  Connect the audio source to the optical input port 2.  Set the input selector switch to “T” 3.  Connect the output to the audio device 4.  Connect to a 5V power source Coaxial Input Mode 1.  Connect the audio source to the coaxial input port 2.  Set the input selector switch to “C” 3.  Connect the output to the audio device 4.  Connect to a 5V power source User Guide •    Up to three input sources can be connected simultaneously •    The output port supports only one input signal at a time •    Plug-and-play; no drivers required Package List： •    Audio Converter ×1 •    USB to 5.5mm DC Power Cable ×1 •    HDMI ARC Audio Cable ×1 •    User Manual ×1