C
C
72 dB
C
C
72 dB
C
C
72 dB
C
C
72 dB
C
C
C
C
7 dB
B
A
7 dB
C
C
B
A
70 dB
C
C
B
B
7 dB
B
B
E
E
7 dB
E
E