Etymotic ER-4S Headphones

Etymotic ER-4S HeadphonesStupendous sonic presentation, definitive clearness

The sound quality is good. These are good in sound isolation.


After a long run, they can prove to be uneasy for the ears. The spare filters included are used quite often, means they are easily accumulating dirt. They are not appropriate for mobility.


The headphones provide a good sound quality and provide excellent noise and sound isolation. The headphones can prove to be still new and strong after quite a long run usage.

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Etymotic ER-4S Headphones

An audiophile headphone

The package includes ER-4S earphones, cord with stereo plug and adapter, several eartips both flange and foam, filter replaces, shirt clip and a case.

The earphones are so designed that they reduce the noise from the audio. There are eartips with flanges that are used for the same purpose. They are fitted into the ears securely. The correct insertion of the earphones inside the ear makes the sound quality better but if they are not inserted properly, the audio quality is still good.

Additional ear tips are included which includes flanged and foamed ear tips. If the standard ear tips do not go inside the ear well, these ear tips can be used instead. The adapter increases its adaptability with different media and the shirt clip secures them with the shirt without the overhead of handling them. The storing case is a soft zipped pouch which can easily be carried while traveling.

The cable has some issues. Also it takes some time to check which ear tip is well suited for you. The earphones offer poor portability.

Where to Purchase:

Check Out the the Amazon Website Here.

Technical Info:

Frequency response: 50-10,000 Hz
Noise isolation: 35-42 dB
Connector: 3.5mm
Impedance/Resistance: 27 ohms
Cable length: 5 ft.
SPL: 122 dB
Weight: 7.2 lbs
Dimensions: 7x2x7”
MSRP: $299.99

See the Amazon website for Etymotic ER-4S Headphones

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