C
A
72 dB
C
A
72 dB
D
D
69 dB
C
A
C
A
72 dB
C
A
C
A
67 dB
C
A
D
C
A
67 dB
C
A
67 dB
C
A
70 dB
D
D
69 dB
C
A
C
A
72 dB
C
A
72 dB