ASNW1838RH1(LAN186HV)
ASNW123ERH1(LAN126HV)
Octave Band Sound Pressure Level (dB re 20µPa ) 
Octave Band Center Frequency (Hz)
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
Approximate
Hearing
Threshold    
ASNW2438RH1(LAN246HV)
ASNW2435SZ1(LSN246HV)
Octave Band Sound Pressure Level (dB re 20µPa ) 
Octave Band Center Frequency (Hz)
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
Octave Band Sound Pressure Level (dB re 20µPa ) 
Octave Band Center Frequency (Hz)
10
20
30
40
50
60
70
80
63 125 250 500 1000 2000 4000 8000
ASNW303DGH1(LSN306HV)
10 
20 
30 
40 
50 
60 
70 
80 
63 125 250 500 1000 2000 4000 8000 
Octave Band Sound Pressure Level (dB re 20µPa ) 
Octave Band Center Frequency (Hz) 
NC-15 
NC-20 
NC-25 
NC-30 
NC-35 
NC-40 
NC-45 
NC-50 
NC-55 
NC-60 
NC-65 
Approximate
Hearing
Threshold    
ASNW363DGU1(LSN360HV) ASNW303DGU1(LSN307HV)
10 
20 
30 
40 
50 
60 
70 
80 
63  125  250  500  1000 2000 4000 8000 
NC-15 
NC-20 
NC-25 
NC-30 
NC-35 
NC-40 
NC-45 
NC-50 
NC-55 
NC-60 
NC-65 
Approximate
Hearing
Threshold    
10 
20 
30 
40 
50 
60 
70 
80 
63  125  250  500  1000 2000 4000 8000 
Approximate 
Hearing  
Threshold 
NC-65
NC-60
NC-55
NC-50
NC-45
NC-40
NC-35
NC-30
NC-25
NC-20
NC-15
Octave Band Sound Pressure Level (dB re 20µPa ) 
Octave Band Center Frequency (Hz) 
Octave Band Sound Pressure Level (dB re 20µPa ) 
Octave Band Center Frequency (Hz)