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Small black box with one HDMI input, two outputs and a USB power port

Monoprice Inc.

Monoprice Blackbird 4K Mini 1x2 HDMI Splitter USB-Powered 115651

SKU CH-B73V-JC2FW

Distributes 4K UHD HDMI video from one source to two displays and draws power from a USB connection

  • Key features4K Ultra HD: Supports all HDMI video resolutions up to 4K @3
  • Product weight0.41
  • Splits one 4K source to two displays at 30Hz
  • Powers from any USB port, no AC adapter needed
  • Delivers 1080p at 60Hz for smoother full-HD viewing
  • Compact design weighs only .41 lb for easy placement
  • Model 115651 distributes multichannel audio alongside video

1x2 HDMI Splitter for Dual 4K Displays

The Monoprice Blackbird 4K Mini 115651 takes a single HDMI source and sends identical video to two screens. It handles resolutions up to 4K at 30 Hz and 1080p at 60 Hz, making it suited for digital signage, home theatre duplication or presentation setups where two displays must show the same content simultaneously.

Sustained Signal Distribution

The splitter maintains a stable HDMI link to both outputs without signal degradation over extended use. Because it draws power from any standard USB port — whether on a TV, a Blu-ray player or a wall charger — it avoids the reliability issues of proprietary AC adapters that can fail or go missing. The unit supports multichannel audio pass-through alongside video for continuous operation.

Compact USB-Powered Build

Weighing 0.41 units, the enclosure is small enough to tuck behind a display or inside an equipment rack. A single USB cable replaces a bulky power brick, reducing cable clutter and freeing mains sockets. Two HDMI output ports provide a firm connection for each display, and the rigid housing protects internal circuitry during routine handling and repositioning.

How it compares

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Price $20.99
Typical for this category: the median of 1,127 items is $20.99.

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Specifications

Product
Brand nameMonoprice
Model name115651
Part number115651

Questions about this item

Does the USB-powered splitter generate noticeable heat or noise when running continuously?

The unit draws power from a USB port and has no fan, so it runs silently and stays cool during all-day use.

What must I already own to power and connect the Blackbird 115651?

You need a USB power source — such as a wall charger, powered hub, or TV USB port — plus three HDMI cables for the input and two outputs.

Will this splitter work with my older 1080p displays and source devices?

Yes, it passes 1080p at 60 Hz and down-scales 4K 30 Hz signals so legacy screens still receive a compatible picture.

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