Monoprice Blackbird 21608

Questions and Answers

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maryhernandezAug 9, 2025
What to do if there is no output image when switching Monoprice Extender?
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  Jennifer VillaAug 9, 2025
  If you're not getting an output image when switching your Monoprice Extender, here are a few things to check: * First, ensure there is a signal at both the input and output ends, using an oscilloscope or multimeter. * Second, verify that all connections are secure and properly connected. * If the issue persists, the extender may be faulty and need to be sent to an authorized dealer for repairs.
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Kathryn CardenasAug 13, 2025
Why do the output images in the display show ghosts/have visual delays with Monoprice Extender?
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  Elizabeth ZhangAug 14, 2025
  Ghosting or visual delays in the output images from your Monoprice Extender can be due to a couple of reasons. First, incorrect display settings could be the cause, so check those settings. Second, a poor-quality cable might be the culprit. Try using a different, high-quality cable to see if that resolves the issue.
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Jessica GonzalezAug 18, 2025
What to do if static becomes stronger when linking the video connectors on Monoprice Blackbird 21608?
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  Mitchell HernandezAug 19, 2025
  If you notice increased static when connecting the video connectors on your Monoprice Extender, the issue is likely due to bad grounding. Check the grounding connections to ensure they are properly connected and secure.
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Todd ClayAug 25, 2025
How to fix Monoprice Extender when I can’t recognize the device that’s connected to the Ethernet port?
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  Philip MendozaAug 25, 2025
  If your Monoprice Extender fails to recognize a device connected to its Ethernet port, it's possible that the connected device shares the same IP address as the extender. To resolve this, change either the IP address of the extender or the IP address of the connected device.
S
sfuentesAug 28, 2025
What to do if I can’t control the Monoprice Blackbird 21608 Extender device using a PC through the RS232 port?
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  James GreenAug 29, 2025
  If you're unable to control your device via a PC through the RS232 port on your Monoprice Extender, it could be due to incorrect RS232 communication parameters. Ensure that these parameters are correctly configured. If the problem persists, and the device is under warranty, contact Monoprice Support, as the device may be broken.
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Natasha CobbSep 3, 2025
What to do if I can’t control the Monoprice Extender device using RS232 / IR?
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  paul54Sep 3, 2025
  If you are unable to control the device using RS232 / IR with your Monoprice Extender, the device may be broken. In this case, send the broken device to an authorized dealer for repairs.

Monoprice Blackbird 21608 Specifications

General

Type	HDMI Extender
Model	21608
Brand	Monoprice
Transmission Method	HDBaseT
Distance	Up to 230 ft (70m)
Power Supply	5V DC
HDCP Support	HDCP 2.2
Transmission Distance at 1080p	Up to 230 ft (70m)
Maximum Resolution	4K @ 60Hz
Input Ports	1x HDMI
Output Ports	1x HDMI
Transmission Distance at 4K	Up to 70 meters
Cable Type	Cat6
HDR Support	HDR10
Audio Formats	Dolby TrueHD, DTS-HD Master Audio