J-Tech Digital 18Gbps Digital/Analog Audio HDMI Embedder Inserter Support 4K@60Hz 4:4:4 HDR CEC HDCP2.2/1.4 with TOSLINK Optical 3.5mm Audio Input Options [JTECH-18GAEV2]

Audio Embedder Function: Use external audio from either digital (Toslink / SPDIF) or analog (3.5mm/line) sources to replace the audio from an HDMI signal. Also, you can choose to hear the original HDMI audio through the passthrough feature.
Use the toggle switch to choose which source youll hear on your HDMI display without moving cables. Also, you can choose to hear the original HDMI audio through the pass-through feature
UHD Resolution Support: Resolution up to 18GBPS 4K@60Hz 4:4:4. Also supports 1080p and 720p
HDMI 2.0 & HDCP 2.2 Compliant: Supports 10-bit HDR and Dolby Vision. HDCP 2.2 / 1.4 compliant. Features CEC pass-through
Audio Format Support: the HDMI port will passthrough all digital/analog audio such as PCM, LPCM, Dolby (Digital, Digital+, TrueHD, Atmos), and DTS. The optical audio input supports Dolby Digital and PCM. The 3.5mm audio input supports 2 channel stereo audio like PCM