Top Five Things About Foam Earbud Tips

Foam earbuds tips are the most comfortable form of eartips. They can absorb the high frequency sound and are able to make the sound become warmer. You can squeeze and roll foam tips before insertion but you still have to pick the right size.

[1] Foam earbuds tips are made from rubber (the ring at the center) and Polyurethane (PUP)

[2] They are not durable and easily to become sticky if you have a lot earwax

[3] They are evaluated by Noise Reduction┬áRating (NRR). For example, foam eartips with NRR 30 decibels (dB), it helps reduce the noise you are exposed by 30 dB. More clear? at a concert everyone is exposed to the noise level 105 dB, if you wear foam tips you are now exposed to 105 dB – 30 dB = 75 dB (pretty safe for your ears)

[4] Their hole size are varied but commonly 3.0, 4.0, 4.5, 4.9

[5] Here is how you pick foam earbuds tips according to your earbuds’ nozzle

Eartips hole’ diameter (mm) Earbuds’ nozzle (mm)
3.0 3.0 – 4.0
4.0 4.0 – 4.7
4.5 4.7 – 5.5
4.9 5.1 – 6.0

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