Bilsom 303S, Howard Leight

Review

Bilsom 303S Howard Leight. Picture 2 earplugsDecibel Chart Bilsom 303S The Bilsom 303S earplugs are sold in many countries worldwide. They provide high protection across all frequencies. The earplugs preserve a comparatively good sound quality for a foam earplug. They are, therefore, also a good choice for concerts or other environments with loud music.

Sleeping


The earplugs provide high sound reduction, which is desired for sleeping. But there are softer earplugs available, which might be more comfortable to wear when sleeping (e.g. Hearos Ultimate Softness, Ohropax Soft, etc.).

Music

   ★★★☆☆

The Bilsom 303S earplugs provide high sound reduction, which is good for very loud concerts. The earplugs preserve a comparatively good sound quality for a foam earplug. They are, therefore, a good choice for concerts or other environments with loud music. If the concert is not so loud and only little sound reduction is desired, then other earplugs might then be a better choice (e.g Alpine PartyPlug, Etymotic ER20XS, etc.). And if really good sound quality is desired, then custom molded ER25 or ER15 earplugs would definitely be a better, but much more expensive, choice.

Shooting


The Bilsom 303 earplugs have high protection across all frequencies, which is strongly desired for shooting. They are a good choice. Stronger earplugs than the Bilsom 303 are available (e.g. Hearos Ultimate Softness). In addition, earmuffs should be worn.

Swimming

   ☆☆☆☆☆This earplug is not usable for swimming.

The Bilsom 303 earplugs are not suited for water sports, because they are foam earplugs and not a silicone or wax earplugs.

Motorcycle


The Bilsom 303 provide strong protection across all frequencies. This is desired for motorsports. For regular motorcycling, they should be strong enough. If one participates in abnormally loud sports, like NASCAR, then stronger earplugs might be tried.

Invisibility


When inserted correctly, then the earplugs will still be visible. The coloring of yellow and white also does not help to make the earplugs less visible.

Comfort


The earplugs feel somehwat hard, but once inserted, they feel good. They provide a tight seal.

Size


The Bilsom 303 earplugs are available in two sizes: 303S and 303L. Both have exactly the same sound reduction according to the attenuation specifications.

Comparisons of this earplug with other earplugs are available here.

Facts

Name:Bilsom 303S
Brand:Howard Leight

Where to Buy

Images

Bilsom 303S Howard Leight. PackagingBilsom 303S Howard Leight. Picture 2 earplugs ear wearing  Howard LeightBilsom 303S, side view

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 303S 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 303S 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. BILSOM303S Foamplug. Retrieved from http://www.honeywellsafety.com/SKU/Hearing_Protection/Ear_Plug/29574.aspx?site=/uk&download=true on 2016-06-04

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 303S 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

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