Etymotic’s ER4XR is the earphone for music lovers and hi-fi enthusiasts who crave accurate midrange and high frequencies, with extra low-end presence.
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.
Etymotic ER4XR Features
- 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
- Professional quality and reliability
- An assortment of noise-isolating eartip options to ensure proper seal and comfort
- CUSTOM•FIT option available
- 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
- 2-year replacement warranty
- Braid-reinforced cable for extremely low microphonic effect
- User-replaceable filters protect the balanced-armature drivers from ear wax
- ER4XR Extended Response Earphones1
- Detachable, 5 ft. cord with 3.5mm gold plated stereo plug1
- ¼” stereo phone adapter1
- Dual flange silicone eartip pair: S1
- Dual flange silicone eartip pair: M1
- Dual flange silicone eartip pair: L1
- Dual flange silicone eartip pair: XL1
- Triple flange pair: standard1
- Triple flange pair: large1
- Foam pair: standard2
- Filter removal tool1
- Replacement filter1
- Shirt clip1
- Zippered storage case1
- Performance certificate1
- Two Year Warranty1
- Frequency Response 20 Hz – 16 kHz
- Transducers Single high-performance balanced armature per channel.
- Noise Isolation 35dB using silicone ear tips, 42dB using foam ear tips
- Impedance 45 Ohms @ 1kHz
- Sensitivity 98 dB @ 1kHz, 1mW
- Maximum Output (SPL) 122 dB
- Cable Detachable reinforced, twisted 5 ft with MMCX connectors
- User Replaceable ACCU-Filters Yes
- Custom-Fit Option Yes