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AVSTAR 1×2 HDMI 2.0 Splitter Scaler AV-SP12H2 Manual

AVSTAR 1×2 HDMI 2.0 Splitter Scaler AV-SP12H2 Manual Image

AVSTAR 1×2 HDMI 2.0 Splitter Scaler User Manual

AVSTAR, it’s easy, just cool!


  • Distributes one HDMI source signal to two HDMI displays. It supports 4K and 1080P output simultaneously.
  • Support HDMI 2.0 4K@60Hz 4:4:4 8bit HDR and HDCP 2.2
  • Support both HDMI outputs down scaler to 1080p
  • Support EDID management, 4K/ 1080P/ learning from OUTPUT 1
  • Support 3D, Support deep color 30bit, 36bit
  • Support Blue-Ray 24/50/60fs/HD-DVD/xvYCC
  • Dolby Digital Audio format, HDMI ports support Dolby Digital 7.1CH Audio; SPDIF Optical Audio supports Dolby Digital/DTS-HD Master Audio/Dolby-AC3/DSD/LPCM/PCM 2.1/5.1CH Audio.
  • Support HDMI signal re-timing, never lose quality
  • Support HDMI input up to 15metres AWG26 HDMI 2.0 standard cable length, output up to 25metres AWG24 cable length
  • Plug and Play; No driver required; Installs in minutes


AV-SP12H2 is a Mini 1×2 splitter for HDMI with Ultra HD 4K support. This splitter reliably distributes one HDMI source signal to two HDMI outputs. Especially when you have one 4K TV and one 1080P TV, both HDMI outputs can down scaler to 1080P if you have 4K source.

It supports HDMI 2.0 specification features including data rates up to 4K@60Hz 4:4:4 8bit, HDR and HDCP2.2, Deep Color, 3D, Lip Sync, and HD lossless Audio/Video formats.

It is ideal choice for applications which require the distribution of an HDMI source signal to multiple outputs.


  1. HDMI version: HDMI 2.0
  2. HDCP version: HDCP2.2
  3. HDMI resolution: 4K*2K/1080p/1080i/720p/576p/576i/480p/480i
  4. Support video color format: 24bit/30bit,36bit
  5. Support audio format: Dolby true HD/DTS-HD/LPCM7.1/Dolby AC3/DSD
  6. Max bandwidth: 600MHz Max baud rate: 6Gbps
  7. Input/Output TMDS signal: 0.5~1.5Volts p-p(TTL)
  8. Input/Output DDC signal: 5Volts p-p (TTL)
  9. Input cable distance: ≤15m AWG26; HDMI 2.0 standard cable
  10. Output cable distance: ≤25m AWG26; HDMI 2.0 standard cable
  11. Max working current: 200mA
  12. Power adapter format: Input AC 100V-240V/ 50HZ,60HZ;
    Output: USB 5V/0.5A
  13. Operating Temperature range: -15 to +55℃
  14. Operating Humidity range: 5 to 90%RH (No Condensation)
  15. Dimension (L x W x H): 102*73*17.5 (mm)
  16. Weight: 180g


  1. Connect one cable from HDMI source devices to HDMI Splitter input.
  2. Connect one cable from each display (monitor or projector) to the HDMI Splitter outputs.

Note: When you have 4K HDMI source device, but 1080P HDMI display device, please connect 1080P display to HDMI OUT2.


  1. HDMI Splitter x1
  2. USB Power cable x1
  3. User Manual x1


When you need any technical assistance, please send e-mail to [email protected]
Visit to learn more. https://www.avtechstar.com/


  1. POWER: Make sure all devices are powered on.
  2. INDICATOR: Check LED indicators of splitter are on
  3. DEVICES: Make sure picture can be shown normally when connecting HDMI source to display devices directly.
  4. CABLE: Plug in and out HDMI 2.0 cable or change another HDMI cable. When transmit HDMI 4K@60Hz (4:4:4) signal,HDMI 2.0 certificated cables is required.
  5. EDID: AUTO EDID; Supports HDMI 4K and 1080P output simultaneously.
  6. COMPATIBILITY: Please test other source and display devices to determine whether it is a compatibility issue.

Please use this machine based on below instructions to keep longer lifetime.

  1. The machine should be placed at the spot far away from the Damp, High- Temperature, Dusty, Erosive, and Oxidant environment.
  2. All parts will be free from the strong shake, hit, fall.
  3. Touching the device with the wet hands is prohibited.
  4. Please turn power off when machine is not used for long time.
  5. Please do not open the cover and do not touch the inside parts.
  6. Please use the original factory power adaptor.
  7. Before power on, please check the connection cable carefully. And make sure that all interfaces are normally connected.


The information in this manual has been carefully checked and is believed to be accurate.AVSTAR TECHNOLOGY INC. assumes no responsibility for any infringement of patents or other rights of third parties which may result from its use.

AVSTAR TECHNOLOGY INC. assumes no responsibility for any inaccuracies that may be contained in this document. AVSTAR TECHNOLOGY INC. also makes no commitment to update or to keep current the information contained in this document. AVSTAR TECHNOLOGY INC. reserves the right to make improvements to this document and/or product at any time and without notice.