Bilsom 303S vs Mack's Pillow Soft - Comparison


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

Mack's Pillow Soft


Bilsom 303SMack's Pillow Soft
Brand:Howard LeightMack's


Bilsom 303S
Bilsom 303S picture of packagingBilsom 303S picture ear wearing , side view

Mack's Pillow Soft
Mack's Pillow Soft picture of packagingMack's Pillow Soft picture

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.

Bilsom 303S vs Mack's Pillow Soft attenuation decibel (db) comparison chart (graph)

Overall rating
Bilsom 303SMack's Pillow SoftDifference
Attenuation by frequency
Bilsom 303S: dB34.4035.0036.2035.9036.4038.9039.8042.6043.00
Mack's Pillow Soft: dB23.7023.3025.0027.3034.3039.2038.9038.2037.40
Difference: dB10.7011.7011.208.602.10-0.300.904.405.60
Bilsom 303S: SD3.404.203.803.002.903.
Mack's Pillow Soft: SD4.003.602.802.704.004.304.204.504.50
Difference: SD-0.600.601.000.30-1.10-1.30-1.00-0.30-0.40
Bilsom 303S: dB less SD31.0030.8032.4032.9033.5035.9036.6038.4038.90
Mack's Pillow Soft: dB less SD19.7019.7022.2024.6030.3034.9034.7033.7032.90
Difference: dB less SD11.3011.1010.208.303.201.001.904.706.00

Source Bilsom 303S: Instruction Manual - Bilsom 303 (global). Retrieved from on 2016-08-01
Source Mack's Pillow Soft: Mack's. Noise Reduction Info - Pillow Soft Earplugs 6 Pair Value. Retrieved from on 2016-12-18