Etymotic Research ER3 In-Ear Earphones

No longer available at zZounds
Etymotic ER3 earphones produce incredible sonic detail thanks to precision-matched balanced armature drivers, and offer up to 42 dB of noise isolation.

The Etymotic Research ER3 are no compromise, high-performance noise-isolating earphones that deliver best-in-class benefits and superior value, perfectly matched to the innovations from most music players that support a 3.5-mm stereo phone plug.


The most accurate earphone in its class. ER3SE Studio Edition earphones utilize Etymotic's balanced armature drivers regarded as the gold standard for high definition, in-ear earphones. With detachable cables and precision machined metal bodies the sleek ER3SE are tuned to extremely tight tolerance specs for the most accurate sound reproduction in its class.


Renowned sound quality with low-end enhancement. ER3XR Extended Response earphones utilize Etymotic's balanced armature drivers that set the accuracy standards for all in-ear earphones in its class. Featuring detachable cables and precision machined metal bodies the ER3XR is designed for listeners who value the accuracy and noise isolation for which Etymotic is known but prefer a more robust presence in the lower range.

An assortment of eartips provide 35-42dB of external noise isolation. Also includes 4 ft detachable, reinforced cable with MMCX connectors, filter removal tool and filters, and a storage pouch.

Studio Grade Accuracy

- Achieves highest output sensitivity in its class with 102 dB SPL sensitivity at 1 kHz at 0.1 mV
- High performance, precision matched, balanced armature drivers
Noise Isolation
- 35 dB - 42 dB noise isolation
- read more Documented highest noise isolation of any earphones or headphones on the market today


- Precision machined metal bodies with anodized finish
- Assortment of noise-isolation eartips ensures proper seal and comfort
- CUSTOM FIT option available
- Detachable, 4ft. cable allows for easy replacement
Durability and Warranty
- 2-year replacement warranty
- Reinforced cable for durability
- User-replaceable filters that protect the balanced armature drivers from ear wax

In the Box

- Earphones
- Assortment of ear tips
- Filter removal tool and replacement filters
- Pouch
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- Frequency Respnse: 20 Hz - 16 kHz
- Transducers: High-performance, balanced-armature micro-drivers
- Noise Isolation: 35 - 42 dB
- Impedance: 22 Ohms
- Sensitivity (@ 1 kHz) SPL at 0.1V: 102 dB
- Maximum Output (SPL): 120 dB
- Cable: Detachable, 4 ft
- Warranty: 2 years

For support or warranty questions, please contact the manufacturer:
Phone: 888-389-6684

No longer available at zZounds

In most cases, a product is unavailable because it has been discontinued by the manufacturer