Bilsom 303S vs Hearos Ultimate Softness Series - Comparison
Comparison
The Hearos Ultimate Softness Series is a stronger earplug than the Bilsom 303S. 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
Hearos Ultimate Softness Series
Facts
| Bilsom 303S | Hearos Ultimate Softness Series | |
|---|---|---|
| Brand: | Howard Leight | Hearos |
Images
Bilsom 303S
Hearos Ultimate Softness Series
Attenuation (US Standard)
Attenuation according to measurment standard ANSI S3.19-1974
More decibel (dB) means more sound protection. More hertz (Hz) means a higher pitch sound.
Overall rating
| Bilsom 303S | Hearos Ultimate Softness Series | Difference | |
|---|---|---|---|
| NRR | 29.00 | 32.00 | -3.00 |
| Hz | 125 | 250 | 500 | 1000 | 2000 | 3150 | 4000 | 6300 | 8000 |
|---|---|---|---|---|---|---|---|---|---|
| Bilsom 303S: dB | 34.40 | 35.00 | 36.20 | 35.90 | 36.40 | 38.90 | 39.80 | 42.60 | 43.00 |
| Hearos Ultimate Softness Series: dB | 38.40 | 40.30 | 43.20 | 41.80 | 38.60 | 45.00 | 45.70 | 49.60 | 47.30 |
| Difference: dB | -4.00 | -5.30 | -7.00 | -5.90 | -2.20 | -6.10 | -5.90 | -7.00 | -4.30 |
| Bilsom 303S: SD | 3.40 | 4.20 | 3.80 | 3.00 | 2.90 | 3.00 | 3.20 | 4.20 | 4.10 |
| Hearos Ultimate Softness Series: SD | 2.90 | 3.90 | 4.00 | 3.80 | 2.60 | 2.80 | 3.50 | 3.80 | 4.30 |
| Difference: SD | 0.50 | 0.30 | -0.20 | -0.80 | 0.30 | 0.20 | -0.30 | 0.40 | -0.20 |
| Bilsom 303S: dB less SD | 31.00 | 30.80 | 32.40 | 32.90 | 33.50 | 35.90 | 36.60 | 38.40 | 38.90 |
| Hearos Ultimate Softness Series: dB less SD | 35.50 | 36.40 | 39.20 | 38.00 | 36.00 | 42.20 | 42.20 | 45.80 | 43.00 |
| Difference: dB less SD | -4.50 | -5.60 | -6.80 | -5.10 | -2.50 | -6.30 | -5.60 | -7.40 | -4.10 |
Source Bilsom 303S: 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
Source Hearos Ultimate Softness Series: DAP World, Inc.. Packaging information. A picture of the packaging information is available here.
