Bilsom 303L, Howard Leight

Review

Bilsom 303L Howard Leight. Picture 2 earplugsDecibel Chart Bilsom 303L The Bilsom 303L earplugs are the larger version of the Bilsom 303S. They have exactly the same attenuation as the smaller Bilsom 303S. They are strong earplugs and provide good attenuation over all frequencies. The sound quality is comparably good for a foam earplugs due to the flat attenuation curve. Therefore, the Bilsom 303L earplugs are also a good choice for loud concerts or other places with loud music.

Comparisons of this earplug with other earplugs are available here.

Facts

Name:Bilsom 303L
Brand:Howard Leight

Where to Buy

Images

Bilsom 303L Howard Leight. Picture 2 earplugs

Attenuation (US Standard)

Attenuation according to measurement standard ANSI S3.19-1974

More decibel (dB) means more sound protection. More hertz (Hz) means a higher pitch sound.

Bilsom 303L Howard Leight, attenuation decibel (db) chart, ANSI S3.19-1974

Overall rating
StandardANSI S3.19-1974
NRR29.00
Attenuation by frequency
Hz125250500100020003150400063008000
dB34.4035.0036.2035.9036.4038.9039.8042.6043.00
SD3.404.203.803.002.903.003.204.204.10
dB less SD31.0030.8032.4032.9033.5035.9036.6038.4038.90

Source: honeywellsafety.com. Instruction Manual - Bilsom 303 (global). Retrieved from http://www.honeywellsafety.com/Supplementary/Documents_and_Downloads/Hearing_Protection/Earplugs/4294986710/1033.aspx on 2016-08-01

Attenuation (Europen Standard)

Attenuation according to measurement standard EN-352-2:2002

More decibel (dB) means more sound protection. More hertz (Hz) means a higher pitch sound.

Bilsom 303L Howard Leight, attenuation decibel (db) chart, EN-352-2:2002

Overall rating
StandardEN-352-2:2002
SNR33.00
L29.00
M29.00
H32.00
Attenuation by frequency
Hz631252505001000200040008000
dB28.4037.3037.9039.1036.0034.6042.5046.40
SD6.409.009.209.707.904.604.904.70
dB less SD22.0028.3028.7029.4028.1030.0037.6041.70

Source: honeywellsafety.com. Instruction Manual - Bilsom 303 (global). Retrieved from http://www.honeywellsafety.com/Supplementary/Documents_and_Downloads/Hearing_Protection/Earplugs/4294986710/1033.aspx on 2016-08-01

Attenuation (Australian Standard)

Attenuation according to measurement standard AS/NZS 1270:2002

More decibel (dB) means more sound protection. More hertz (Hz) means a higher pitch sound.

Bilsom 303L Howard Leight, attenuation decibel (db) chart, AS/NZS 1270:2002

Overall rating
StandardAS/NZS 1270:2002
SLC8022.00
Attenuation by frequency
Hz1252505001000200040008000
dB22.3021.6023.4024.8032.8039.6041.70
SD7.307.207.807.006.408.809.50
dB less SD15.0014.4015.6017.8026.4030.8032.20

Source: honeywellsafety.com. Instruction Manual - Bilsom 303 (global). Retrieved from http://www.honeywellsafety.com/Supplementary/Documents_and_Downloads/Hearing_Protection/Earplugs/4294986710/1033.aspx on 2016-08-01