ER4-XR – Etymotic noise-isolating, in-ear earphones
$439.00
Worlds most accurate earphones
Description
Etymotic ER4 MicroPro series earphones with noise isolation
Etymotic invented noise-isolating, in-ear earphones. The Etymotic ER4 MicroPro series earphones were the first earphones commercialized using balanced armature technology and are recognized as the world leader in response accuracy, to which all other earphones are compared. After more than 20 years, these reference-quality earphones are still the choice of serious sound engineers, audiophiles and musicians.
Earphones with frequency response accuracy and sound quality
World leader in sound reproduction
- Unsurpassed frequency response accuracy and sound quality — 92%+ response accuracy from 20 Hz – 16 kHz
- The only earphones with balanced-armature, precision-matched, custom-tuned drivers
- Highest output sensitivity in its class
The features of the ER4-XR earphones
- Professional quality and reliability
- Precision-matched, custom-tuned drivers
- Precision machined metal bodies with anodized finish
- Detachable, reinforced 5 ft. cable with 3.5mm gold plated stereo plug and MMCX connectors
- Assortment of noise-isolating eartip options to ensure proper seal and comfort
Earphones with the highest noise isolation
- First earphones to completely seal the ear
- 98% (35 dB – 42 dB) noise isolation —highest of any earphones or headsets on the market today
- Reduction of outside noise reduces the risk of listening at unsafe levels
Best durability and warranty
- 2-year replacement warranty
- User-replaceable filters protect the balanced-armature drivers from ear wax
What’s In the Box?
- Earphones
- Detachable, 5 ft. cord with 3.5mm gold plated stereo plug
- ¼” stereo phone adaptor
- Assortment of eartips
- Filter removal tool and replacement filters
- Shirt clip
- Zippered storage case
- Performance certificate
ER4XR is the earphone for music lovers and hi-fi enthusiasts who want uncompromising accuracy in the midrange and high frequencies, but appreciate a bit of extra presence in the lower end. Like the ER4SR, the ER4XR is built with precision machined, anodized and laser-etched aluminum bodies and features user-replaceable detachable cables. The ER4XR also incorporates the stringent channel-matching standard used in the ER4SR. The ER4XR is ideal for anyone looking for exceptional sound quality with just the right amount of low-end enhancement.
Accurate Earphone Reproduction
For earphones to have 100% accuracy, a recording of a live performance must produce exactly the same sound at the eardrum as the original performance. To achieve this, the acoustic properties of the ear must be factored in. The acoustic resonance and horn effects of the ear change a flat audio signal entering the open ear into sound with a (2700 Hz) high-frequency boost, which is the same response heard at the eardrum in a typical ear.
Technical Specs
Frequency Response | 20 Hz – 16 kHz |
Transducers | High performance, balanced armature micro-drivers |
Noise Isolation | 35-42 dB |
Impedance (@1kHz) | 4XR (45 Ohms) 4SR (45 Ohms) |
Sensitivity (@1 kHz) SPL at 0.1v | 4XR (98 dB) 4SR (98 dB) |
Maximum Output (SPL) | 122 dB |
Cable | 5 ft Detachable |
User Replaceable ACCU-Filters | Yes |
Warranty | 2 Years |
Custom-Fit Option | Yes |
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