Do HDMI switches need power?

Related questions

1. Why does a monitor have 2 HDMI ports?
2. Do I need 4k HDMI switch?
3. Do I need a powered HDMI switch?
4. Do splitters degrade signal?
5. Can you connect 2 TVs with HDMI?
6. What is a good HDMI switch?
7. How many HDMI ports do I need?
8. Do HDMI switches degrade picture quality?
9. Can I split HDMI to two monitors?
10. What are HDMI inputs?

Tags

1. #external
2. #source
3. #power
4. #require
5. #powered
6. #adapter
7. #switch
8. #steady
9. #little
10. #supply
11. #properly
12. #active
13. #switcher
14. #signal
15. #cable
16. #passive
17. #function
18. #switchers