The RCA L/R and SPDIF output both can support 2CH audio or 5.1CH audio including Dolby Digitla 5.1CH and DTS 5.1CH(NOT support Dolby Digital Plus) Three switching audio EDID settings: Pass: HDMI-compatiblepass mode.
eBay
HDMI Splitter 1x2 HDMI 2.0 Splitter 4K HDMI Video Audio Splitter Support 3D HDR 4K 60Hz Splitter HDMI 1x4 For Laptop. ZY-HS200, Navceker 1x2 1x4 HDMI 2.0b Splitter uses a single HDMI source,accessing to multiple HDMI sinks.
eBay
1x HDMI Switch 5x1& Audio Extractor. lnput cable distance: <15m 24AWG HDMI high speed Cable at 1080P@24bit 60Hz. Output cable distance: <15m 24 AWG HDMI high speed Cable at1080P@24bit 6OHz. lnput: HDMI x 5.
eBay
Support SPDIF output. Support RCA stereo output. 1 x HDMI-compatible ARC Audio Adapter. 3.5mm stereo headphone port equipped with high-performance audio amplifier. Support 3.5mm stereo headphone port output.
eBay
The matrix 4K allows more than 1 HDMI devices to be switched or split Easily to two HDMI compatible monitors or projectors. 2.0 Matrix 4K 60Hz/30Hz HDMI-compatible Matrix 4x2 Switch Splitter HDCP 2.2 4X2.
eBay
HDMI to HDMI+ Audio Converter (with Optical SPDIF Toslink RCA L/R Audio Extractor HDMI Video Adapter 1080P) Comes with USB power cable (will need USB A plug)
eBay
eBay
4K Ultra HD Resolution: Support HDTV 4K (3840x2160P) / 30Hz resolution, HDMI 1.4 Compatible, 3D display supported, Let you enjoy high-definition movie-like vision and smoothly comfort. Also support HD Audio and HDCP Compliant, no distortion of audio or video, no delay in signal transference.
eBay