Sony Brings the Bling with Swarovski Photoframe

Etymotic ER-4P Review

Specifications

  • 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
  • Weight: Less than 1 oz. (28 grams)
  • Cord Supplied: 5 feet with 3.5mm (1/8 inch) stereo phone plug
  • Transducer Type: Dynamic

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