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Part number: HSP-4K12

Datasheet PDF PDF icon 455KB

Installation Guide PDF PDF icon 1,029KB

HDMI® 1x2 UHD Splitter

The HSP-4K12 is a compact 300MHz HDMI distribution amplifier for splitting one uncompressed AV signal up to UHD 2160p/30 simultaneously to two sink devices. Features four user selectable EDID profiles to mitigate sink conflict with min/max audio or video bias. The integrated mounting tab permits vertical surface mounting.

Quick Specs

  • 1x HDMI input to 2x uncompressed mirrored outputs
  • 300MHz HDMI silicon supports up to UHD 2160p/24-30 8-bit 4:4:4 or 8/10/12-bit 4:2:2/4:2:0
  • Supports all VESA display resolutions as defined in the HDMI 1.4 specification
  • Supports 2.0 LPCM, up to 7.1 HD audio or Dolby Digital/DTS compressed audio streams
  • 4x EDID mode selections


Splitter front view

Splitter rear view

EDID Modes

All Min (LED off):
EDID set to throughput minimum format requests from both connected sink devices

Audio Max (LED red):
Audio is set to request maximum audio format from source to establish HD audio to an AV Receiver. Video Operates in auto mode

Copy Out 1 (LED green):
EDID from device connected to output port #1 is prioritised, ignoring EDID from #2 which then acts as slave

All Max (LED yellow):
EDID set to throughput maximum AV format requests from both connected ‘output’ devices.


Example: a pole mounted dual display back-to-back configuration where the source is delivered to the far end via a single extender run, then split after Rx for simultaneous delivery to both displays.

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