Pinpoint Accuracy for Critical Mixing
When you really need to dive into your mix, Sweetwater is more than happy to recommend Etymotic Research ER4SR in-ear monitors. With a steady 1dB or lower tolerance from 100Hz to 10kHz, ER4SRs will let you hear aspects of your mix even top-quality studio monitors will miss. We're talking about accuracy well beyond the sort of sonic surgical precision diehard audiophiles dream of, along with a mind-blowing 42dB maximum acoustic isolation, all courtesy of Etymotic's latest balanced-armature drivers.The original name in IEMs
A little known fact about Etymotic Research is that they take the credit for developing the original balanced-armature receivers behind today's top in-ear micro-drivers. The original ER4 earphones are considered by many to be the original isolating in-ear because they were the first to employ this technology, which ultimately revolutionized the world of personal monitoring. As this legacy has continued, few IEMs today

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Etymotic Research ER4SR Studio Reference Earphones

Ultra-high-accuracy Single-driver In-ear Monitors for Critical Studio Monitoring, Mixing, and Music Production

Pinpoint Accuracy for Critical Mixing

When you really need to dive into your mix, Sweetwater is more than happy to recommend Etymotic Research ER4SR in-ear monitors. With a steady 1dB or lower tolerance from 100Hz to 10kHz, ER4SRs will let you hear aspects of your mix even top-quality studio monitors will miss. We're talking about accuracy well beyond the sort of sonic surgical precision diehard audiophiles dream of, along with a mind-blowing 42dB maximum acoustic isolation, all courtesy of Etymotic's latest balanced-armature drivers.

The original name in IEMs

A little known fact about Etymotic Research is that they take the credit for developing the original balanced-armature receivers behind today's top in-ear micro-drivers. The original ER4 earphones are considered by many to be the original isolating in-ear because they were the first to employ this technology, which ultimately revolutionized the world of personal monitoring. As this legacy has continued, few IEMs today can boast the kind of isolation and accuracy you'll get from these updated ER4 series models.

Complete accessory kit included

When you buy a nice set of high-end in-ear monitors, it's nice to know that you're getting the complete package, and Etymotic Research wants to be sure you know you're getting it. That's why they ship their ER4 models with more than just the standard 1/4" headphone adapter. For starters, you get a very nice zippered storage case for you IEMs and accessories. These accessories include a couple of pairs of Etymotic's standard 3-flange eartips, two pairs of large 3-flange eartips, and a couple of pairs of large black foam eartips. You also get replacement filters to keep your IEMs clean and a shirt clip. Lastly, you'll get a performance certificate indicating that your in-ears met and passed the high standards Etymotic holds their products to.

Etymotic Research ER4SR In-ear Monitors Features:

  • Ideal IEMs for professionals who need absolute-precision monitoring
  • A perfect in-ear choice for mix engineers and producers
  • Over 92% response accuracy from 20Hz–16kHz
  • 1dB tolerance between 100Hz and 10kHz for total accuracy
  • Enjoy your sound in up to 42dB of acoustic isolation
  • Includes detachable 5' cord, 1/4" adapter, flanged and foam eartips, filter removal tool, replacement filters, shirt clip, zippered storage case, and performance certificate
SpecificationDetail
Type Wired
Connectivity 1/8" plug, 1/4" adapter
Fit Style In-ear
Noise Attenuation 35dB-42dB, Passive Noise Isolating
Impedance 45 ohms
Frequency Range 20Hz-16kHz
Sensitivity 98 dB SPL
Max SPL 122 dB SPL
Detachable Cable Yes
Cable Length 5 ft.
Color Black with clear ear tip
Case/Bag Soft Case

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