For audio systems, the reference level is generally accepted as Â �

1.	For audio systems, the reference level is generally accepted as Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â Â .
A.	1 mw
B.	1 w
C.	10 mw
D.	100 mw
Answer» B. 1 w

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