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Noise-isolating In-Ear Earphones

• 

  Etymotic ER4SR Studio Reference In-Ear Headphones

  $349.00

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  • Frequency Response: 20 Hz - 16 kHz
  • Noise Isolation: 35-42 dB
  • Maximum Output (SPL): 122 dB
  • Impedance (@1kHz): 4XR (45 Ohms) 4SR (45 Ohms)
  • Cable: 5 ft Detachable
  • Transducers: High performance, balanced armature micro-drivers
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  8.0
• 

  Etymotic ER4XR Extended Response In-Ear Headphones

  $349.00

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  • Frequency Response: 20 Hz - 16 kHz
  • Noise Isolation: 35-42 dB
  • Maximum Output (SPL): 122 dB
  • Impedance (@1kHz): 4XR (45 Ohms) 4SR (45 Ohms)
  • Cable: 5 ft Detachable
  • Transducers: High performance, balanced armature micro-drivers
  • View Details →

  8.0