Correct

增益

/ zēngyì / 
Strokes

Definition

to increase/gain (electronics)/(gaming) buff

Example

As a Verb

increase; raise; add

1
Zēngyì
增益
fěi
匪
jiān
浅

gain/benefit a lot

As a Noun

gain

2
Gāo
高
zēngyì
增益

high gain

3
Fēnbèi
分贝
zēngyì
增益

decibel gain

4
Zēngyì
增益
cèliáng
测量
  
/
kòngzhì
控制

gain measurement/control