C
A
71 dB
C
A
69 dB
C
A
69 dB
C
A
B
B
71 dB
C
A
69 dB
C
A
69 dB
C
A
69 dB
C
B
71 dB
C
A
C
A
69 dB
C
A
69 dB
C
A
C
A
71 dB
C
A
C
C
71 dB
C
A
69 dB
C
A
69 dB
C
A
69 dB
C
B
69 dB
B
B
71 dB
C
A
69 dB
C
B