【HDMI ARC function】 (The TV must have an ARC port, otherwise it cannot be used). Extract audio from your TV to Soundbar or Amplifier via the TV's ARC port. Use HDMI cable or Micro cable to connect one end to TV ARC port, one end to HDMI ARC Converter, then connect L/R or 3.5mm to sound bar, speaker, home theater, A/V receiver, etc. | 【2 Ways to use】1. Insert the HDMI cable into the ARC port of the TV, plug the other end into the HDMI ARC adapter, connect the power supply, connect the R/L or 3.5mm to the audio device, and finally set the TV audio output. 2. Using the matching Micro cable, insert the USB port of the Micro cable into the TV, insert the other end into the ARC adapter (also power supply), connect the R/L or 3.5mm to the audio device, and finally set the TV audio output. (USB sound card function) | 【192KHz sampling rate】Built-in CEC volume control protocol, the TV remote control can adjust the volume. Effectively solve the defects of similar products. Support 32, 44.1, 48, 96, 192KHz sampling rate, 24-bit left and right channels. (HDMI 2.0 cable recommended). | 【USB sound card function】It can be inserted into the computer device through the USB end of the micro cable, and the other end is connected to the ARC box, and the audio output is output through the ARC box. Can be used as a computer external sound card. Solve the problem that the computer has no sound card or the sound card is damaged. | 【Digital Noise Reduction】Using high-end chips, digital noise reduction technology, signal gain technology, dual signal processing, the sound quality is clear and pleasant. The aluminum alloy shell has good heat dissipation and durability. Support multi-channel simultaneous audio output, sound synchronization without delay. No driver, plug and play.

【Analog to Digital Converter】Converts analog stereo RCA R/L or 3.5mm jack analog signals into SPDIF Toslink and HDMI (audio) digital signals. Only supports R/L or 3.5mm single channel input, does not support simultaneous input, supports audio simultaneous output. Note: HDMI only supports audio. Cannot be used as a digital to analog audio converter. | 【Solve the audio port of old equipment】Solve the problem that old equipment does not have a digital audio interface and cannot directly connect to devices such as digital speakers and amplifiers. Resolve the issue of the Home KTV system not having an HDMI audio input port. Solve the problem of mobile phones and computers not being able to directly connect to digital speaker devices. | 【Optical&HDMI audio output】The optical and HDMI audio output is a 2.1 channel signal. Incompatible with 5.1 channel signals, such as Dolby Digital or DTS 5.1, Dolby AC3. Attention: Please set the audio output to PCM or LPCM, and turn off Dolby during use. | 【192KHz sampling rate】Supports uncompressed 2-channel PCM/LPCM digital audio signal output; Supports output of 32KHz, 44.1KHz, 48KHz, 96KHz, 192KHz audio sampling rates, Achieve electromagnetic noise free transmission. | 【Wide Compatibility】 Compatible with RCA plugs or 3.5mm jack audio input devices. Used for TV/PS3/PS4/Apple TV/Xbox/Blu ray player/DVD/PC/Home KTV systems, etc. No need to install drivers, plug and play.