CTS Sample Question of the Week: June 23, 2025

Every week we post a question from the CTS Sample Question set. Check back weekly for new questions!
CTS Sample Question of the Week: June 23, 2025
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An installed audio system should be AT LEAST __________ above the ambient noise floor.

a. 5 dB
b. 25 dB
c. 45 dB
d. 75 dB

Which do you think is the best answer? Post your choice below and check back Friday to see if you got it right.

Update: The correct answer is b. 25 dB

Thanks to everyone who participated in this week's question! There will not be a sample question next due to the July 4 holiday in the US.

In the meantime, try the newly updated CTS Sample Questions (200+ questions!) to test your knowledge. Free for everyone.