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8K 4×1 HDMI 2.1 Switcher

48Gbps, HDCP 2.3, HDR/Dolby Vision, 4K@120Hz, VRR/ALLM, IR Remote

SW-4X18KUPC 813982023086
8K 4×1 HDMI 2.1 Switcher – KanexPro SW-4X18K
8K 4×1 HDMI 2.1 Switcher – KanexPro SW-4X18K, view 2
8K 4×1 HDMI 2.1 Switcher – KanexPro SW-4X18K, view 3
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Overview

Switch between four 8K HDMI 2.1 sources on a single display with front-panel button or IR remote. The KanexPro SW-4X18K is a compact 4×1 HDMI switcher delivering 48Gbps bandwidth and 8K@60Hz 4:4:4 resolution. Auto-switch detects active inputs; manual override via the front button or included IR remote. Auto EDID ensures reliable handshake with any connected display.

Compliant with HDMI 2.1 and HDCP 2.3, the switcher supports 8K@60Hz 4:4:4, 4K@120Hz 4:4:4, and full HDR pass-through (HDR10, HDR10+, Dolby Vision, HLG). VRR, ALLM, and FVA optimize gaming. Built-in equalizer and driver maintain signal integrity. Plastic enclosure measuring 122 × 65 × 19 mm (88 g), powered by included 5V/1A adapter at 3.4W max.

Key features
  • HDMI 2.1 and HDCP 2.3 compliant
  • Support 48Gbps video bandwidth
  • 8K@60Hz 4:4:4 8/10/12bit, 8K@60Hz 4:2:0 12-bit, 8K@30Hz 4:4:4 10-bit, 4K@120Hz 4:4:4 10-bit video support
  • Support HDR, HDR10, HDR10+, Dolby Vision, HLG pass through
  • VRR, FVA, ALLM support
  • Support HDMI audio formats: LPCM 7.1CH, Dolby TrueHD, and DTS-HD Master Audio
  • 4x1 switch output, auto switch is supported
  • Built-in Equalizer and Driver
  • Auto EDID management
  • IR remote and front panel button control
  • Compact design for easy and flexible installation
Technical
HDMI ComplianceHDMI 2.1
HDCP ComplianceHDCP 2.3
Video Bandwidth48Gbps
Video ResolutionUp to 8K@60Hz 4:4:4 8/10/12bit, 8K@60Hz 4:2:0 12-bit, 8K@30Hz 4:4:4 10-bit, 4K@120Hz 4:4:4 10-bit
Color Depth8/10/12-bit
Color SpaceRGB, YCbCr 4:4:4 / 4:2:2, YUV 4:2:0
Audio FormatsLPCM, Dolby Digital/Plus/EX, Dolby TrueHD, DTS, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master Audio, DSD
ESD Protection±8kV (air-gap discharge) & ±4kV (contact discharge)
Connection
Input4 × HDMI IN [Type A, 19-pin female]
Output1 × HDMI OUT [Type A, 19-pin female]
Mechanical
HousingPlastic Enclosure
ColorBlack
Dimensions122mm (W) × 65mm (D) × 19mm (H)
Weight88g
Power SupplyInput: AC 100–240V 50/60Hz, Output: DC 5V/1A (CE/FCC/UL certified)
Power Consumption3.4W (Max)
Operating Temperature0°C – 40°C / 32°F – 104°F
Storage Temperature−20°C – 60°C / −4°F – 140°F
Relative Humidity20–90% RH (Non-condensing)
Package Contents
Included1 × 8K 4×1 HDMI Switcher, 1 × IR Remote, 1 × 5V/1A Power Supply, 1 × User Manual
8K 4×1 HDMI 2.1 Switcher panel drawing
8K 4×1 HDMI 2.1 Switcher system diagram
8K 4×1 HDMI 2.1 Switcher applications
ManualInstallation and operation
Spec sheetFull specification
Sales sheetFor bid packages
What HDMI and HDCP versions?
HDMI 2.1 and HDCP 2.3.
Maximum video resolution?
8K@60Hz 4:4:4 8/10/12-bit and 4K@120Hz 4:4:4 10-bit at 48Gbps.
Does it have EDID DIP switches?
No. Auto EDID management only. For manual EDID control, use SW-2X1A8K or SW-2X28K.
Can I use this for 4K@120Hz gaming?
Yes. VRR, ALLM, and FVA are fully supported at 4K@120Hz 4:4:4 10-bit.
What power supply is included?
5V/1A DC adapter (CE/FCC/UL certified). Maximum consumption is 3.4W.
How do I enable auto-switch?
Long-press the INPUT button for 3 seconds. The Auto LED will illuminate when enabled.
No signal on the display.
1) Verify Ultra High Speed HDMI cables (2m max for 8K). 2) Ensure PSU is connected. 3) Power-cycle. 4) Check source/display resolution support.
IR remote not responding.
1) Aim at IR window on front panel. 2) Replace battery. 3) Check for IR interference.
Audio formats supported?
LPCM 7.1CH, Dolby TrueHD, DTS-HD Master Audio, and DSD via HDMI pass-through.
Does this have audio de-embedding?
No. Audio passes through HDMI only. For audio breakout, use SW-4X1HDAUD or SW-2X1A8K.
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