Pi 4 - Using both HDMI slots possible?

**JohnWayne111** · February 22, 2021 at 7:30 AM

Hi all,

is it with LE 10 possible to use both HDMI slots?

In my case i need the first one to connect directly to my TV.

The second one only für Passthrough Audio to my Receiver.

(No, i dont want to use ARC cause just DD and DTS)

Is this possible?

ghtester · February 22, 2021 at 9:19 AM

Yes this should be possible (TV won't get audio if you configure it to second HDMI port). The Receiver needs to be active so Kodi can detect it at (re)start. Did not test it on recent LE 9.80 Nightly but it was working like this couple months ago.

**JohnWayne111** · February 22, 2021 at 4:16 PM

I test this and it works particular (sometimes not correct HDR color representation)

But if i wirte in config hdmi_enable_4kp60=1 i get no pictures on my TV....

**chewitt** · February 23, 2021 at 11:53 AM Official Post

4K60 modes are not supported in the LE10 nightly images. Some optimisation is required to achieve it, and it is being actively worked on.

**JohnWayne111** · February 23, 2021 at 12:10 PM

Thx chewitt

i will test this in a later version of LE 10 with PI 4.

silentsound · February 24, 2021 at 3:12 PM

JohnWayne111

You gave me and idea to try this on the latest LE nightly. It works wonderfully!

Next I plan to play around with the Audio Profiles add-on to polish it off.

silentsound · March 4, 2021 at 11:52 AM

Now here I have a CEC question.

I have the Raspberry Pi 4 connected to the TV (main HDMI port) as well as my soundbar (2nd HDMI port) for HD audio as it does not support eARC. On the TV when I change to HDMI input where the pi is, the soundbar is still on 'TV', meaning i have to use the soundbar remote to change the soundbar HDMI output. Is there any way to automate it or use a CEC command so I don't have reach for the soundbar remote?

ceevee · March 27, 2021 at 2:45 PM

Quote from JohnWayne111

Thx chewitt
i will test this in a later version of LE 10 with PI 4.

My use case is to send 4K HDR to TV on one HDMI out, then audio to AVR (receiver) from the other HDMI out. Have you tested this? I have Raspberry Pi 4 2GB.