[HDMI ARC Audio Extractor] Features Audio Return Channel function and audio extraction to digital and analog signals. When connected to an HDMI ARC device such as a TV with an HDMI ARC port, audio is returned from the TV and output to SPDIF, Coaxial, L+R RCA, and 3.5mm jack. Note: Set your TV audio output to PCM or LPCM. [192KHz DAC Digital to Analog Converter] Accepts SPDIF or Coaxial digital input and delivers L+R analog audio and 3.5mm jack stereo output. Note: Set your TV audio output to PCM or LPCM. [HDMI ARC CEC Volume Control] In HDMI ARC mode, volume can be controlled using the TV’s remote control. Note: CEC requires HDMI 1.4 or higher; both devices and the HDMI cable must support CEC. Enable CEC settings on your TV for volume control functionality. [SPDIF to Coaxial Bidirectional Converter] Converts SPDIF (Toslink/Optical) to Coaxial and Coaxial to SPDIF (Toslink/Optical). [Compact Design and Easy to Use] Aluminum alloy housing, small size, portable, compatible with Blu-ray players, DVD, HDTV, TV, TV boxes, and gaming consoles such as PS2, PS3, PS4, and Xbox. Style: HDMI ARC Audio Extractor Audio Format: PCM Audio Sampling Rate: 192kHz Mode Selection: ARC, Coaxial, Optical Dimensions: 4 x 2.4 x 0.8 inches Setup Instructions: Set TV audio output to PCM or LPCM before use. Connection Steps: 1. Connect the adapter's HDMI port to the TV's HDMI (ARC) port using an HDMI cable. 2. Connect the converter’s optical or coaxial input to the audio output of devices like DVD or PS3 using appropriate cables. 3. Connect the output to an amplifier or speaker system using optical, coaxial, RCA, or 3.5mm audio cables. 4. Power the converter via USB by connecting the Micro-USB cable. 5. Switch to the desired audio mode using the mode switch. Material: Aluminum Alloy Color: Black Package Includes: 1 x HDMI ARC Audio Extractor