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document.write('ER4XR Extended Response In-Ear Monitors The World\'s Most Accurate Earphones Just Got Better! Over 30 years ago, Etymotic invented noise-isolating, in-ear earphones. Etymotic\'s original design, developed for auditory research and hearing testing, used balanced-armature receivers and established these speakers as the gold standard for high-definition, in-ear earphones. Why ER4XR Extended Response? ER4XR is the earphone for music lovers and hi-fi enthusiasts who want uncompromising accuracy in the mid-range and high frequencies, but appreciate a bit of extra presence in the lower end. The ER4XR incorporates the stringent channel matching standard used in the ER4SR and is built with precision machined, anodized and laser-etched aluminum bodies, and features user-replaceable detachable cables. The ER4XR is ideal for anyone looking for exceptional sound quality with just the right amount of low-end enhancement. In The Box
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General Information | '); document.write('|
Manufacturer | '); document.write('Etymotic Research, Inc | '); document.write('
Manufacturer Part Number | '); document.write('ER4XR | '); document.write('
Manufacturer Website Address | '); document.write('http://www.etymotic.com | '); document.write('
Brand Name | '); document.write('Etymotic | '); document.write('
Product Line | '); document.write('MicroPro | '); document.write('
Product Series | '); document.write('ER4 | '); document.write('
Product Model | '); document.write('ER4XR | '); document.write('
Product Name | '); document.write('ER4XR Extended Range In-Ear Monitors | '); document.write('
Product Type | '); document.write('Earphone | '); document.write('
Technical Information | '); document.write('|
Connectivity Technology | '); document.write('Wired | '); document.write('
Cable Length | '); document.write('5 ft | '); document.write('
Sound Mode | '); document.write('Stereo | '); document.write('
Impedance | '); document.write('45 Ohm | '); document.write('
Minimum Frequency Response | '); document.write('20 Hz | '); document.write('
Maximum Frequency Response | '); document.write('16 kHz | '); document.write('
Connector Plating | '); document.write('Gold Plated | '); document.write('
Earpiece | '); document.write('|
Earpiece Design | '); document.write('Earbud | '); document.write('
Earpiece Type | '); document.write('Binaural | '); document.write('
Interfaces/Ports | '); document.write('|
Host Interface | '); document.write('Mini-phone (3.5mm) | '); document.write('
Physical Characteristics | '); document.write('|
Form Factor | '); document.write('In-ear | '); document.write('
Miscellaneous | '); document.write('|
Package Contents | '); document.write('
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Warranty | '); document.write('|
Limited Warranty | '); document.write('2 Year | '); document.write('