Bilsom 303L vs ACS Pacato - Comparison


The Bilsom 303L is a stronger earplug than the ACS Pacato. 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 303L

ACS Pacato


Bilsom 303LACS Pacato
Brand:Howard LeightACS


Bilsom 303L
Bilsom 303L picture

ACS Pacato
ACS Pacato picture of packagingACS Pacato picture ear wearing , side view ear wearing , side angle view

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.

Bilsom 303L vs ACS Pacato attenuation decibel (db) comparison chart (graph)

Overall rating
Bilsom 303LACS PacatoDifference
Attenuation by frequency
Bilsom 303L: dB37.3037.9039.1036.0034.6042.5046.40
ACS Pacato: dB11.4012.9013.8017.5023.9015.5024.40
Difference: dB25.9025.0025.3018.5010.7027.0022.00
Bilsom 303L: SD9.009.209.707.904.604.904.70
ACS Pacato: SD
Difference: SD
Bilsom 303L: dB less SD28.3028.7029.4028.1030.0037.6041.70
ACS Pacato: dB less SD
Difference: dB less SD

Source Bilsom 303L: Instruction Manual - Bilsom 303 (global). Retrieved from on 2016-08-01
Source ACS Pacato: Advanced Communication Solutions Ltd [ACS]. Pacato Specification Sheet. Retrieved from on 2016-10-01