4K Arcana 18Gbps
UHD/HDR eARC Adaptor
ORDER CODE: HD-ARCANA4K

Arcana allows ANY HDMI source FULL AUDIO to ANY eARC sound system for up to Dolby Atmos, Dolby TrueHD, Dolby MAT Atmos, DTS-X, DTS-HD Master Audio and older formats.
Software-wise, EDID management ensures the best possible mixing of TV video capabilities and SONOS Arc (or other) audio capabilities at all times. HDCP conversion is possible in any way and the device can downscale and perform signal operations such as Chroma/Color depth or Color space.
Arcana also allows playback of DV content from LLDV capable source to any HDR10 display and can increase or decrease HDR metadata nits value in real time!
All signal information is visible at first sight via OLED or On Screen Display.
World First
WORLD’S FIRST eARC adapter that allows FULL AUDIO up to Dolby Atmos over TrueHD from ANY external HDMI source to ANY eARC sound system.
Perfect solution for SONOS Arc and ANY eARC AVR, soundbar or headphones.


Under The Hood
Hardware-wise, Arcana features 1 HDMI input, 1 HDMI output with scaling option, 1 eARC output, USB type A for USB stick update, USB type C for power, RS232, OLED display and a rotary/wheel switch on the side allowing to navigate/select and perform changes in the device system menu. Arcana input is capable of 4K HDR/HLG/DV/LLDV/HDR10+ up to 18Gbps for video and support any sound format in existence today, HDMI video output is capable of outputting 18Gbps or downscaling 4K/UHD to 2K/FHD and support all sound formats as well.
One Box - Multiple Configurations

One source + ARC
This setup will allow you the transfer of full audio up to Atmos/TrueHD from one HDMI source. Connect your source HDMI output to the Arcana HDMI input and Arcana HDMI output to any projector, monitor, or display. Connect the Arcana eARC out to SONOS Arc.

Multi sources
This setup will allow the transfer of full audio up to Atmos/TrueHD from several HDMI sources connected to an HDMI switcher. Connect all your sources to the HDMI inputs of your HDMI switcher. Connect the switcher HDMI output to the Arcana HDMI input. Connect Arcana HDMI output to any projector, monitor, or display and connect the Arcana eARC output to the SONOS Arc.

Multi sources + ARC
This setup will allow the transfer of full audio up to Atmos/TrueHD from several HDMI sources, the ARC signal for audio from the TV, and CEC volume control from the source or TV to SONOS Arc. Connect all your sources to the HDMI inputs of your HDMI switcher and connect the HDMI switcher output to the Arcana HDMI input. Connect the Arcana HDMI output to the TV ARC input and the Arcana eARC out to SONOS Arc.
- Specs
- Order Code
- Manual
Specifications
HDMI revision: | HDMI 2.0b (Level A) 600Mcsc – 18Gbps |
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Arcana Support: | 600MHz/18Gbps HDR, HDR10+, HLG, DV & LLDV, eARC, ALLM, IMAX |
Max Resolution: | 4K60 4:4:4 8b, 4K60 4:2:2 12b, 4K120 4:2:0 8b or 8K30 4:2:0 8b |
TOTAL I/O: | 1 HDMI In, 1 HDMI Out, 1 HDMI eARC Out, 1 RS232, 1 USB-A (update), 1 USB-C (power) |
Pass & Downscale port: | UHD 2160p & 4K/DCI to FHD 1080p & 2K/DCI |
Full Audio eARC port: | Full Audio up to Atmos over TrueHD from HDMI source at input to eARC sound system such as SONOS Arc |
Signal Conversion: | Resolution, Chroma Subsampling, Color Space, Color Depth, HDCP |
HDCP Conversion: | Any HDCP to any HDCP with CST1 support |
Operating Modes: | 18Gbps Scaler & Splitter with CEC, eARC, ARC and EDID management |
Special Modes: | DV/LLDV to HDR10 display, Boost HDR nits value, Translate HLG>HDR, HDMI Doctor |
EDID Modes: | TV only, TV video + SONOS audio, SONOS only, optional LLDV datablock for all modes |
Control Modes: | OLED and rotary switch with click and push buttons, RS232 |
On Screen Display: | ON/OFF/timer with choice of text color |
OLED: | 1″ Diagonal, 128×64, 2 colors |
Arcana Size: | 3.9″L x 2.3″W x 0.8″H – in CM: 10 x 6 x 2.2 |
Arcana Weight: | 120g – 0.26 LBS |
Input Lag: | <1ms (nanoseconds count) |
Other info: | 3D Support, CEC Pass Through, DSD, eARC (HDMI2.1) |
Order Code
HD-ARCANA4K