Key benefits - Improves home theater sound by delivering high-resolution, multi-channel audio from HDMI, ARC/eARC, and legacy connections. - Flexible connectivity: HDMI audio output (no video), fiber optic, RCA, and 3.5 mm, with ARC/eARC support for seamless TV control. - High fidelity: supports 24 bit/192 kHz sampling; HDMI up to 5.1 or 7.1, fiber optic up to 5.1; supports PCM, AC3, DTS, DD+, and DOLBY True HD. - Convenient control: RCA and 3.5 mm outputs volume can be adjusted via TV remote using CEC. Key specifications 1. Supported audio formats PCM, AC3, DTS, DD+, DOLBY True HD 2. Inputs/outputs: supports eARC and ARC inputs; HDMI, fiber optic, RCA, and 3.5 mm headphone outputs (HDMI only transmits audio signals and no images) 3. HDMI output supports up to 5.1 and 7.1 channels; fiber optic interface supports up to 5.1 channels 4. Supports transmission of 24 bit / 192 kHz audio sampling rate 5. RCA and 3.5 mm headphone output volume can be controlled by TV remote (CEC) Use scenarios - Scenario 1: Connect to a TV via ARC/eARC to enjoy enhanced TV sound from streaming apps through your existing speaker system. - Scenario 2: Route HDMI audio from a Blu-ray player or game console to a multi-channel receiver or powered speakers; use fiber optic for compatible legacy devices. - Scenario 3: Use RCA or 3.5 mm outputs for private listening with headphones or stereo speakers, with volume controlled by the TV remote via CEC.