Sonata™, Medela’s Quietest Breast Pump
As quiet
as a
whisper
31.9 dB
37.3 dB
44.2 dB
46.0 dB
46.7 dB
Pump in Style®
Advanced
Swing®
sonata
freestyle®
Sonata
threshhold
of sound
0
Symphony®
rustling
leaves
pin drop
10
20
Freestyle®
refrigerator
hum
whisper
30
40
50
quiet
office
washing
machine
vacuum
60
70
80
Decibel Scale
Sound is measured in units called decibels (dB). The higher the decibel level, the louder the noise. On the decibel scale, the level increase of 10 means that a sound is actually 10 times more intense, or powerful.
Measurements are units of dB SPL.
Medela, Symphony, Freestyle, Pump in Style, Swing and 2-Phase Expression are registered in
the U.S. Patent and Trademark Office. Sonata is a trademark of Medela.
1548436 A 1216 © 2016 Medela LLC
Testing conducted by independent third party test lab accredited to ISO 3744:2010 for Medela, LLC.
Test conducted on Medela 2-Phase Expression® technology breast pumps at the maximum setting in the Expression phase.
"Understanding Earphone / Headphone Specifications | Shure Technical FAQ." Shure Technical FAQ. Shure, 2 May 2016. Web. 15 Dec. 2016.
Sengpiel, Eberhard. "Loudness Comparison Chart." Tontechnik-Rechner, Sengpielaudio. Eberhard Sengpiel, Berlin, n.d. Web. 15 Dec. 2016.