KanexPro
SKU: SP-1X4A8K
UPC: 813982023109
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40Gbps, HDCP 2.3, Optical + 3.5mm Audio Out, 4K@120Hz, VRR/ALLM, EDID DIP
KanexPro
SKU: SP-1X4A8K
UPC: 813982023109
Couldn't load pickup availability

Distribute one 8K HDMI 2.1 source to four displays with built-in audio de-embedding through optical S/PDIF and 3.5mm analog ports. The KanexPro SP-1X4A8K delivers 40Gbps bandwidth and supports resolutions up to 8K@60Hz 4:2:0 10-bit and 4K@120Hz 4:4:4 10-bit. Its audio extraction outputs connect to external amplifiers, soundbars, or powered speakers independently of the display audio.
HDMI 2.1 and HDCP 2.3 compliant. VRR, FVA, and ALLM for gaming. Full HDR pass-through (HDR10, HDR10+, Dolby Vision, HLG). Audio pass-through includes LPCM, Dolby TrueHD, DTS-HD Master Audio, DSD. Audio de-embedding: optical supports LPCM/Dolby/DTS up to 5.1CH; analog outputs PCM 2.0. 8-mode EDID DIP switch. Built-in equalizer, retiming, and driver. Metal enclosure (212 × 94 × 23 mm, 539 g), 9W max, Micro USB service port.
| Technical | |
|---|---|
| HDMI Compliance | HDMI 2.1 |
| HDCP Compliance | HDCP 2.3 |
| Video Bandwidth | 40Gbps |
| Video Resolution | Up to 8K@60Hz 4:2:0 10bit, 8K@30Hz 4:4:4 10bit, 4K@120Hz 4:4:4 10bit |
| Color Depth | 8/10/12-bit |
| Color Space | RGB, YCbCr 4:4:4 / 4:2:2, YUV 4:2:0 |
| HDR | HDR, HDR10, HDR10+, Dolby Vision, HLG |
| HDMI Audio | LPCM, Dolby Digital/Plus/EX, Dolby TrueHD, DTS, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master Audio, DSD |
| Audio De-Embed (Optical) | LPCM 2/5.1CH, Dolby Digital 2/5.1CH, DTS 2/5.1CH |
| Audio De-Embed (Analog) | PCM 2.0 |
| ESD Protection | ±8kV (air-gap) & ±4kV (contact) |
| Connection | |
| Input | 1 × HDMI IN [Type A, 19-pin female] |
| Output | 4 × HDMI OUT [Type A, 19-pin female], 1 × Optical [S/PDIF], 1 × L/R [3.5mm Stereo] |
| Control | 1 × SERVICE [Micro USB, Update port] |
| Mechanical | |
| Housing | Metal Enclosure |
| Color | Black |
| Dimensions | 212mm (W) × 94mm (D) × 23mm (H) |
| Weight | 539g |
| Power Supply | Input: AC 100–240V 50/60Hz, Output: DC 12V/2.5A (CE/FCC/UL certified) |
| Power Consumption | 9W (Max) |
| Operating Temperature | 0°C – 40°C / 32°F – 104°F |
| Storage Temperature | −20°C – 60°C / −4°F – 140°F |
| Relative Humidity | 20–90% RH (Non-condensing) |
| Package Contents | |
| Included | 1 × 8K HDMI 1×4 Splitter, 1 × 12V/2.5A Multinational Power Supply, 1 × User Manual |