Product: 4K HDMI Splitter 1x2 4K@60Hz 4:4:4 HDR D-o-l-b-y Vision D-o-l-b-y Atmos Compatible, 18 Gbps, HDCP2.2. Settable HDCP, EDID and Scaling, LPC USB Power, 4K HDMI Splitter 1 in 2 Out
Brand: AVFABUL
Color: BLACK
INTRO
 AV-SP12H2 HDMI Splitter 1 in 2 out 4K 60Hz 4:4:4 8bit HDR D-o-l-b-y Vision compatible, HDCP2.2,bandwidth up to 18Gbps.--Plug and Play, No driver. 
Supports 4K HDR TV & 1080p Capture Card work in sync; D-o-l-b-y Vision&Atmos work in sync.
 Upgrade Firmware.Settable HDCP and EDID via Micro-USB port. Set EDID, Scaler via panel switch.

1. Two HDMI OUT can down-scale independently, SCALER button 1 down-scale OUT 1; SCALER button 2 down-scale OUT 2, both can down-scale 4K to 1080p 60Hz ONLY,NO 3D, NO ANOTHER resolution.
 2. DO NOT Down-scale 4K D-o-l-b-y Vision,HDR VRR. 
3. When you set COPY mode, EDID copy from OUT 1. To get Atmos, D-o-l-b-y Vision sync, ensure the TV/Receiver devices support both of them. 
4. If you have two devices, one 4K D-o-l-b-y vision and one Atmos,please set the EDID to 4K.
Please check Installation Instruction on product page before using it. Sometime, just plug or change HDMI source Video/Audio setting to solve issue.
Package Contents
1x HDMI Splitter, 1x Micro-USB cable, 1x User Manual 
Audio Video
Supports HDCP2.2 HDMI2.0 4K 60Hz 4:4:4 18Gbps 8bit HDR D-o-l-b-y Vision.
HDMI audio: D-o-l-b-y Digital 7.1CH, Atmos, DTS:X, D-o-l-b-y TrueHD, DTS-HD Master, LPCM 2.1/ 5.1/ 7.1CH.
HDMI Input: HDMI2.0 standard cable, <5m AWG26; 
HDMI Output: HDMI2.0 standard cable, <10m AWG26 . When Output 4K60Hz 4:4:4, <3m HDMI 2.0 cable.
Fiber HDMI cable, pls pay attention at HDMI cable SOURCE/ DISPLAY port description, plug correct port to correct HDMI device.
HDMI splitter does not extend screen, only copy screen.

Any question just let me know,You will get a satisfactory answer;
✔ 4K 60Hz HDMI splitter 1 in 2 out can distribute one HDMI input signal (Roku，TV Box, Xbox, Apple TV, PS5 1080p120Hz,etc.) to twoHDMI displays (TV, Monitor, Projector, etc.), duplicating / mirror video and audio simultaneously without any loss.Comes with EDID management,Down scaler function. ✅NOTE: NOT SUPPORT EXTEND, MIRROR ONLY. Splitter EDID just pass through signal, not create.
✔VIDEO AUDIO --- HDMI2.0 4K60Hz 4:4:4 8bit 18Gbps, HDR D-o-l-b-y Version HDCP2.2, 1080p @120Hz/60Hz 3D, 3840x2160 @60Hz, 1440p@60Hz ; HDMI splitter 4K converter bypass HDCP >> D-o-l-b-y Atmos, Digital 7.1CH, DTS:X audio.>> 1 to 2 HDMI splitter two outputs down-scale 4K to 1080P 60Hz ONLY separately, no another option. DO NOT down-scale HDR D-o-l-b-y Vision (4K60 4:2:2), VRR.
✔ SETTINGS — HDMI2.0 cable(less than 10ft) is required — 4K & 1080P TV work in sync : set EDID COPY mode & SCALER 2 ON, then connect 4K TV to Slitter OUT 1 & 1080P TV to OUT 2.(EDID copy OUT 1 prior) — 4K HDR & D-o-l-b-y Atmos work in sync : set splitter EDID to 4K 7.1, HDMI source Video 4K HDR/HDR10/D-o-l-b-y Vision, Audio Bitstream out D-o-b-l-y Atmos, then connect 4K TV to Splitter OUT 1 & Soundbar to OUT 2 — 1080P TV & 1080P TV work in sync : set EDID 2K mode
✔ ATTENTION PLS --To get both of D-o-l-b-y Atmos and D-o-l-b-y Vision in sync, pls ensure TV and Receiver support them both. --- Supports TV 4K 60Hz HDR video, Soundbar 7.1ch audio play together. -- 4K HDMI 2 way splitter for TV, HDMI 2.0 HDCP 2.2 devices, N-v-i-dia Shield, Xfinity box, Game Video Capture,Xbox one S,chromecast, google tv,Apple TV, PS4 Pro, Fire TV streaming media players etc.--✅NOT for Sonos ARC, NO eARC- NOT convert HDR to SDR. NO CEC. NO VRR.
✔ Package include:1x HDMI Splitter, 1x Micro-USB cable, 1x User Manual.---Any firmware or usage issue, pls Click sold by AVFABUL ask seller FREELY. (upgrade firmware by Micro-USB port near HDMI IN port)---Press UPDATE for 3 secs to solve HDCP issue, or solve picture flashack

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