HDMI-compatible Audio Extractor: One HDMI-compatible input to one HDMI-compatible output (direct channel), optical Toslink SPDIF and analog 3.5mm AUX stereo audio output. Extract audio signals from HDMI-compatible input sources to your soundbar, speaker, and other audio devices. Support 4K*2k@60Hz, 1080P@60Hz, 3D, HDMI-compatible 2.0, HDCP 2.2, RGB 8:8:8. ARC Function: Use an HDMI-compatible cable to connect your TVs HDMI-compatible (ARC) port to the HDMI-compatible output port of this audio converter, and then connect the optical cable to your amplifier, speaker, soundbar, etc. Please note: ARC function is only available from the Toslink SPDIF port.HDMI-compatible 2.0b Compatibility: Our HDMI-compatible 2.0b audio extractor supports up to 4K x 2K @ 60Hz RGB 8:8:8, Ultra HD / 3D, HDR, ARC (audio return channel); supports 18 Gbps bandwidth and 24/30/ HDCP2.2 with 36-bit color depth. (Note: The HDMI-compatible ARC interface needs to be connected when the ARC function is turned on). Broad Compatibility: This 4KHDMI-compatible audio extractor is suitable for most devices with standard HDMI-compatible interfaces. Such as Blu-ray/DVD/HD player, cable/satellite box, the device for PS3/for PS4, for PS5, for Xbox, PC/laptop, HD camera, DVR, etc. (Requires 5V DC power supply).