Definition of «several decibels»

"Several decibels" means a few units of measurement that are used to describe how loud or quiet a sound is.

The Bolt II's idle performance also beats the Origin Genesis and CyberPower Zeus Mini by several decibels. (digitaltrends.com)
The isolation of a foreign country makes those words ring several decibels above the tolerable limit. (religion-online.org)
[A sound system] raises the voice several decibels and overcomes background noise.» (educationworld.com)
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