8K 4×1 HDMI 2.1 Switcher
KanexPro SW-4X18K 8K 4x1 HDMI 2.1 switcher. 48Gbps, HDCP 2.3, HDR/Dolby Vision, 4K@120Hz, VRR/ALLM, IR remote, auto-switch.
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.
- 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
Specifications| HDMI Compliance | HDMI 2.1 |
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| HDCP Compliance | HDCP 2.3 |
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| Video Bandwidth | 48Gbps |
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| Video Resolution | Up 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 |
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| Color Depth | 8/10/12-bit |
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| Color Space | RGB, YCbCr 4:4:4 / 4:2:2, YUV 4:2:0 |
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| Audio Formats | LPCM, Dolby Digital/Plus/EX, Dolby TrueHD, DTS, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master Audio, DSD |
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| ESD Protection | ±8kV (air-gap discharge) & ±4kV (contact discharge) |
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| Input | 4 x HDMI IN [Type A, 19-pin female] |
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| Output | 1 x HDMI OUT [Type A, 19-pin female] |
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| Housing | Plastic Enclosure |
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| Color | Black |
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| Dimensions | 122mm (W) x 65mm (D) x 19mm (H) |
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| Weight | 88g |
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| Power Supply | Input: AC 100-240V 50/60Hz, Output: DC 5V/1A (CE/FCC/UL certified) |
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| Power Consumption | 3.4W (Max) |
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| Operating Temperature | 0°C - 40°C / 32°F - 104°F |
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| Storage Temperature | −20°C - 60°C / −4°F - 140°F |
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| Relative Humidity | 20-90% RH (Non-condensing) |
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| Included | 1 x 8K 4x1 HDMI Switcher, 1 x IR Remote, 1 x 5V/1A Power Supply, 1 x User Manual |
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Questions
- 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.