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8K 1×2 HDMI 2.1 Splitter with Audio De-Embedding

40Gbps, HDCP 2.3, HDR/Dolby Vision, 4K@120Hz, VRR/ALLM, Audio Extraction

SP-1X2A8KUPC 813982023093
In stock
8K 1×2 HDMI 2.1 Splitter with Audio De-Embedding – KanexPro SP-1X2A8K
8K 1×2 HDMI 2.1 Splitter with Audio De-Embedding – KanexPro SP-1X2A8K, view 2
8K 1×2 HDMI 2.1 Splitter with Audio De-Embedding – KanexPro SP-1X2A8K, view 3
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Overview

Split one 8K HDMI 2.1 source to two displays with built-in audio de-embedding for external audio systems. The KanexPro SP-1X2A8K is a 40Gbps 1×2 HDMI splitter that delivers up to 8K@60Hz 4:2:0 10-bit and 4K@120Hz 4:4:4 10-bit. Its audio extraction output allows connection to external amplifiers, soundbars, or speaker systems independent of the display's built-in audio.

HDMI 2.1 and HDCP 2.3 compliant. Supports 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, and DSD. Built-in equalizer, retiming, and driver ensure signal integrity. Advanced EDID management for reliable source/display negotiation.

Key features
  • HDMI 2.1 and HDCP 2.3 compliant
  • Supports 40Gbps video bandwidth
  • Supports video resolution up to 8K@60Hz 4:2:0 10bit, 8K@30Hz 4:4:4 10bit, 4K@120Hz 4:4:4 10bit
  • VRR, FVA, ALLM supported
  • Supports HDR, HDR10, HDR10+, Dolby Vision, HLG pass-through
  • Supports HDMI audio formats: LPCM, Dolby Digital/Plus/EX, Dolby TrueHD, DTS, DTS-HD Master Audio, DSD
  • Audio de-embedding output for external audio systems
  • Built-in Equalizer, Retiming, and Driver
  • Advanced EDID management
Technical
HDMI ComplianceHDMI 2.1
HDCP ComplianceHDCP 2.3
Video Bandwidth40Gbps
Video Resolution8K@60Hz 4:2:0 10bit, 8K@30Hz 4:4:4 10bit, 4K@120Hz 4:4:4 10bit
HDRHDR, HDR10, HDR10+, Dolby Vision, HLG
Audio FormatsLPCM, Dolby Digital/Plus/EX, Dolby TrueHD, DTS, DTS-EX, DTS-96/24, DTS High Res, DTS-HD Master Audio, DSD
Connection
Input1 × HDMI IN [Type A]
Output2 × HDMI OUT [Type A] + Audio Out
Package Contents
Included1 × 8K 1×2 HDMI Splitter w/ Audio, 1 × Power Adapter, 1 × User Manual
8K 1×2 HDMI 2.1 Splitter with Audio De-Embedding panel drawing
8K 1×2 HDMI 2.1 Splitter with Audio De-Embedding system diagram
8K 1×2 HDMI 2.1 Splitter with Audio De-Embedding applications
ManualInstallation and operation
Spec sheetFull specification
Sales sheetFor bid packages
What HDMI and HDCP versions?
HDMI 2.1 and HDCP 2.3.
Maximum resolution?
8K@60Hz 4:2:0 10-bit, 8K@30Hz 4:4:4 10-bit, and 4K@120Hz 4:4:4 10-bit at 40Gbps.
No signal on displays.
1) Verify Ultra High Speed HDMI cables. 2) Power-cycle. 3) Check source/display resolution compatibility.
No audio from extraction output.
1) Verify audio cable to receiver. 2) Check source audio format. 3) Some formats may require specific EDID settings.
Does this have auto downscaling?
Not specified. For auto downscaling, use SP-HD1X28K or SP-HD1X48K.
What audio formats are supported?
LPCM, Dolby TrueHD, DTS-HD Master Audio, DSD, and more via HDMI pass-through and audio extraction.
How does audio extraction work?
Audio is de-embedded from the HDMI signal and output through a dedicated audio port, independent of the HDMI display outputs.
HDR not passing through.
Ensure both source and display support the HDR format. Verify EDID settings allow HDR.
Does this support VRR and ALLM for gaming?
Yes. VRR, FVA, and ALLM are fully supported at up to 4K@120Hz 4:4:4.
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