Freqency(Hz)
Transmission Loss(dB)
125
16.2
160
17.6
200
20.5
250
22.3
315
23.1
400
24.1
500
25.3
630
26.5
800
25.4
1.0K
22.3
1.25K
19.3
1.6K
22.4
2.0K
32.3
2.5K
45.2
3.15K
50.1
4.0K
48.9
