Name: 4K 1×4 HDMI Splitter with HDR and EDID Management
Brand: KanexPro
SKU: SP-HD1X44K

Question 1

No signal on one or more displays.

Accepted Answer

1) Verify Premium High Speed HDMI cables. 2) Switch EDID to STD mode. 3) Power-cycle. 4) Ensure all displays support the source resolution.

Question 2

What audio formats are supported?

Accepted Answer

PCM 2.0/5.1/7.1CH, Dolby TrueHD, DTS-HD Master Audio, and DSD via HDMI pass-through.

Question 3

Image quality differs across outputs.

Accepted Answer

Set EDID to TV mode with the highest-resolution display on OUT 1. The splitter outputs the lowest common denominator resolution.

Question 4

What power connector does the SP-HD1X44K use, and can it be powered from USB?

Accepted Answer

It uses a 5V DC barrel connector, 5.5 x 2.1 mm, centre positive, and draws about 2W at full load. It can run from a 5V USB-A port with a USB-A to 5.5 x 2.1 mm centre-positive barrel cable. The matching spare AC adapter is the EXT-PSU3.

Question 5

How do the EDID DIP switches on the SP-HD1X44K work, and what do the settings mean?

Accepted Answer

Front-panel EDID DIP: UP=1, DOWN=0. 1111 auto-compare outputs; 0000 copy OUT1; 0001/0010/0011 1080p 2CH/5.1/HD audio; 0100-0110 same in 1080i; 0111-1001 3D 1080p; 1010-1100 4Kx2K 2CH/5.1/HD; 1101/1110 1080p 2CH.

Question 6

Does it need a power supply?

Accepted Answer

Yes. It comes with a 5V 1A DC adapter that plugs into a 5.5 x 2.1 mm centre-positive barrel jack, and draws about 2W at full load. It can also run from a 5V USB-A port with a USB-A to 5.5 x 2.1 mm centre-positive barrel cable. The matching spare AC adapter is the KanexPro EXT-PSU3.

Question 7

How can I tell whether the power adapter for the SP-HD1X44K is the right one?

Accepted Answer

Ignore the part number printed on the adapter, as it does not identify the rating. Read the output rating on the adapter label instead. It must show 5V 1A, with a 5.5 x 2.1 mm centre-positive barrel plug.

Question 8

What HDCP version does this support?

Accepted Answer

HDCP 1.4 only. For HDCP 2.2, consider the SP-HD20-1X44K.

Question 9

What is the maximum video resolution?

Accepted Answer

4K×2K@60Hz YCbCr 4:2:0 and 4K@30Hz 4:4:4 at 10.2Gbps bandwidth.

Question 10

What do the EDID STD and TV modes do?

Accepted Answer

STD outputs 1080p@60Hz 2ch default to all outputs. TV copies the EDID from the display on OUT 1 to all outputs for uniform resolution.