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Etymotic ER4SR Studio Reference In-Ear Headphones vs Etymotic ER4XR Extended Response In-Ear Headphones

Compare Etymotic ER4SR Studio Reference In-Ear Headphones vs Etymotic ER4XR Extended Response In-Ear Headphones Specifications and Prices

The ER4SR is the most accurate in-ear earphone on the market delivering a flat response across all frequencies while the ER4XR has high accuracy, but with slightly enhanced bass.

Info

Noise-isolating Earphones

  • Etymotic ER4SR Studio Reference In-Ear HeadphonesEtymotic ER4XR Extended Response In-Ear Headphones
  • Frequency Response
    20 Hz - 16 kHz 20 Hz - 16 kHz
  • Transducers
    High performance, balanced armature micro-drivers High performance, balanced armature micro-drivers
  • Noise Isolation
    35-42 dB 35-42 dB
  • Impedance (@1kHz)
    4XR (45 Ohms) 4SR (45 Ohms) 4XR (45 Ohms) 4SR (45 Ohms)
  • Sensitivity (@1 kHz) SPL at 0.1v
    4XR (98 dB) 4SR (98 dB) 4XR (98 dB) 4SR (98 dB)
  • Maximum Output (SPL)
    122 dB 122 dB
  • Cable
    5 ft Detachable 5 ft Detachable
  • User Replaceable ACCU-Filters
    Yes Yes
  • Custom-Fit Option
    Yes Yes

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  • Etymotic ER4SR Studio Reference In-Ear HeadphonesEtymotic ER4XR Extended Response In-Ear Headphones
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