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Etymotic ER-4B (Binaural) MicroPro Earphones

Etymotic ER-4B (Binaural) MicroPro Earphones
RRP: $495.00    (Save: $46.00)
Your Price: $449.00

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Features Specifications Included Reviews

The ER-4 MicroPro™ earphones are the next best thing to live music, with noise isolation far surpassing that of active noise-canceling earphones. The ER•4s require NO batteries, and can be plugged into any audio source. Their external noise exclusion -- 35 dB with 3-flange eartips, 42 dB with foam eartips -- allows you to hear the full dynamic range of recordings without having to play them at unnaturally high and unsafe levels.

  • Unparalleled sound accuracy
  • Virtual elimination of external background noise (20-25 dB isolation)
  • Lightweight and portable (great for traveling)
  • High-fidelity monitor earphones for real-ear measurements
  • Frequency response re nominal: 20 Hz to 16 kHz +/- 4 dB; 50 Hz to10 kHz +/- 2 dB
  • 1 kHz sensitivity: 109 dB SPL for .2 Volt Input; 107 dB SPL at 1mW
  • Impedance: 27 Ohms nominal
  • Maximum output: 122 dB SPL
  • Maximum safe continuous input: .75 V RMS
  • Acoustic polarity: + Electric = + Acoustic
  • Cord Supplied: 5 feet with 3.5mm (1/8 inch) stereo phone plug
  • Transducer Type: Dynamic

  • Unparalleled sound accuracy
  • Virtual elimination of external background noise (20-25 dB isolation)
  • Lightweight and portable (great for traveling)
  • High-fidelity monitor earphones for real-ear measurements
  • Frequency response re nominal: 20 Hz to 16 kHz +/- 4 dB; 50 Hz to10 kHz +/- 2 dB
  • 1 kHz sensitivity: 109 dB SPL for .2 Volt Input; 107 dB SPL at 1mW
  • Impedance: 27 Ohms nominal
  • Maximum output: 122 dB SPL
  • Maximum safe continuous input: .75 V RMS
  • Acoustic polarity: + Electric = + Acoustic
  • Cord Supplied: 5 feet with 3.5mm (1/8 inch) stereo phone plug
  • Transducer Type: Dynamic
  • ER•4 MicroPro earphones
  • 5 ft. cord with 3.5 mm stereo phone plug
  • 1/4" stereo phone adapter plug
  • Six 3-flange eartips
  • 10 foam eartips
  • Filter changing tool
  • 4 replacement filters
  • Shirt clip
  • Pouch (not shown)
  • Storage box
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    Product Specification
    Cord: 1.5m
    Ear Cushions: In Ear
    Maximum Output: 122 dB SPL
    Frequency Response: 20-16 kHz ±4 dB
    Impedance: 27 Ohms
    Plug: 3.5mm
    Noise Isolation: 35-42 dB
    Sensitivity: 102 dB
    Weight: 29 grams