Bilsom 303S vs E-A-R Classic II - Comparison
Comparison
The Bilsom 303S is a stronger earplug than the E-A-R Classic II. Please have a look at the decibel comparison chart below. More decibel means stronger sound protection.
The individual reviews of each earplug are available here:
Bilsom 303S
E-A-R Classic II
Facts
| Bilsom 303S | E-A-R Classic II | |
|---|---|---|
| Brand: | Howard Leight | 3M |
Images
Bilsom 303S
E-A-R Classic II
Attenuation (Europen Standard)
Attenuation according to measurment standard EN-352-2:2002
More decibel (dB) means more sound protection. More hertz (Hz) means a higher pitch sound.
Overall rating
| Bilsom 303S | E-A-R Classic II | Difference | |
|---|---|---|---|
| SNR | 33.00 | 28.00 | 5.00 |
| L | 29.00 | 22.00 | 7.00 |
| M | 29.00 | 24.00 | 5.00 |
| H | 32.00 | 30.00 | 2.00 |
| Hz | 63 | 125 | 250 | 500 | 1000 | 2000 | 4000 | 8000 |
|---|---|---|---|---|---|---|---|---|
| Bilsom 303S: dB | 28.40 | 37.30 | 37.90 | 39.10 | 36.00 | 34.60 | 42.50 | 46.40 |
| E-A-R Classic II: dB | 22.30 | 23.30 | 24.60 | 26.90 | 27.40 | 34.10 | 41.60 | 40.40 |
| Difference: dB | 6.10 | 14.00 | 13.30 | 12.20 | 8.60 | 0.50 | 0.90 | 6.00 |
| Bilsom 303S: SD | 6.40 | 9.00 | 9.20 | 9.70 | 7.90 | 4.60 | 4.90 | 4.70 |
| E-A-R Classic II: SD | 5.40 | 5.30 | 3.60 | 5.40 | 4.80 | 3.10 | 3.50 | 6.40 |
| Difference: SD | 1.00 | 3.70 | 5.60 | 4.30 | 3.10 | 1.50 | 1.40 | -1.70 |
| Bilsom 303S: dB less SD | 22.00 | 28.30 | 28.70 | 29.40 | 28.10 | 30.00 | 37.60 | 41.70 |
| E-A-R Classic II: dB less SD | 16.90 | 18.00 | 21.00 | 21.50 | 22.60 | 31.00 | 38.10 | 34.00 |
| Difference: dB less SD | 5.10 | 10.30 | 7.70 | 7.90 | 5.50 | -1.00 | -0.50 | 7.70 |
Source Bilsom 303S: 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
Source E-A-R Classic II: 3M. E-A-R Classic II Gehörschutzstöpsel - Technisches Datenblatt. Retrieved from http://multimedia.3m.com/mws/media/895927O/3m-e-a-r-classic-ii-gehorschutzstopsel.pdf on 2016-12-18