Connect Projector's HDMI ARC to soundbar HDMI 1 ARC with a HDMI-certified High-Speed 2.0 cable (18Gbps) for high quality video and audio. Recommended HDMI Cable >
Most of the projectors do not support HDMI ARC function. Connect all your content devices to soundbar directly.
HDMI cable is designed to support up to 50ft and the result varies depending on the output devices. It is highly recommended to keep the HDMI cable length as short as possible to avoid unintentional signal drop outs.
DO NOT connect soundbar HDMI output (HDMI 1 ARC) to any HDMI MHL port on the soundbar. HDMI MHL is designed to be compatible with mobile devices which may not work well with higher resolution devices
Verify HDR support on your projector. If your projector is not supporting HDR format, turn off HDR output on your content devices