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StarTech 3 Port Component Video Splitter with Digital Audio ST123HDA
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Fitted with one Component input and three Component outputs, the StarTech ST123HDA video splitter lets you share a single Component video signal, as well as the corresponding audio, across three displays simultaneously. The support for high resolution up to 1080p and 5.1-channel digital audio ensures an optimized multimedia experience.

A versatile video solution, the Component video splitter can also be used as a Composite video splitter, allowing for up to three distinct Composite video signals to be distributed to up to nine displays. It's ideal for classrooms, corporate offices, control centers, conference halls, and retail environments.

  • newegg High Resolution Supports high resolutions up to 1080p for sharp, crisp images.
  • newegg Analog and Digital Audio Support In addition to L/R stereo, this unit also supports 5.1-channel digital audio via Coaxial connection for an optimized multimedia experience.
  • newegg Composite Signal Distribution This unit can take three distinct Composite sources and distribute them to up to nine displays. Three composite video sources can be used by inserting one composite video cable in each of the three input ports. The signal that is used with the V1 input will provide a signal to the outputs labeled V1. Similarly, the signal that is used with the V2 input will provide a signal to the outputs labeled V2; the signal that is used with the V3 input will provide a signal to the outputs labeled V3.

Learn more about the STARTECH ST123HDA




Max Resolution: 1080p
Video Signals Supported: Component (YPbPr), Composite
Audio Signals Supported: Digital (5.1 channel), Stereo (2 channel)
Component Video Distribution: 1x3, one source to 3 displays
Composite Video Distribution: 3x3, 3 sources to 3 displays
Audio Distribution: 1x3, audio distribution only supported with component signal
Color: Black
Number of Ports: 3
Dimensions: 5.55" x 4.13" x 1.5"
Product Weight: 34.24 oz [970 g]
Power Adapter: 5V DC, 1Amp


Distribute high definition component video and 5.1 channel digital audio
Supports resolutions up to 1080p
Works with standard and high definition displays

Quick Info


  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years

Customer Reviews of the STARTECH ST123HDA

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  • Gene C.
  • 9/29/2013 4:12:33 PM
  • Tech Level: High
  • Ownership: 1 week to 1 month
  • Verified Owner

5 out of 5 eggsGood Product

Pros: Works as designed with no audio degradation. I didn't have an RCA audio pass through on my new flat screen to hook up some older audio equipment, I needed two sets of RCA, one set input, one output to route the sound back to my pre-amp in order to hook up my DVD changer, and 80's audio equipment.

Cons: None

Other Thoughts: Worked like a charm. Now I can enjoy my DVD concerts again.

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