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ER-4PT specs

  • In-ear / canalphones
  • Stereo
  • 1
  • 20 Hz (min)
    16...
  • 42 dB reduction
  • 3.5mm stereo
  • 1 oz
  • December 5, 2009

General

  • In-ear / canalphones
  • Stereo

Speakers

  • 1

Other features

  • L-shaped
  • Yes

Audio quality

  • 20 Hz (min)
    16 KHz (max)
  • 27 ohms
  • 108 dB

Noise reduction

  • 42 dB reduction

Connections

  • 3.5mm stereo
  • 5 feet

Size & weight

  • 1 ounce

Pricing & availability

  • Available
  • December 5, 2009
  • December 5, 2009
  • $299 USD

Colors

  • MPN: ER-4PT
    UPC: 084643000306
    Amazon ID (ASIN): B004CXBJ6A

General info

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ER-4P specs

  • In-ear / canalphones
  • Stereo
  • 1
  • 20 Hz (min)
    16...
  • 42 dB reduction
  • 3.5mm stereo
  • 1 oz
  • December 5, 2009

General

  • In-ear / canalphones
  • Stereo

Speakers

  • 1

Other features

  • L-shaped
  • Yes

Audio quality

  • 20 Hz (min)
    16 KHz (max)
  • 27 ohms
  • 108 dB

Noise reduction

  • 42 dB reduction

Connections

  • 3.5mm stereo
  • 5 feet

Size & weight

  • 1 ounce

Pricing & availability

  • Available
  • December 5, 2009
  • December 5, 2009
  • $299 USD

Colors

  • UPC: 898234000817
    Amazon ID (ASIN): B0007WZLDC

General info

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ER-4S specs

  • In-ear / canalphones
  • Stereo
  • 1
  • 20 Hz (min)
    16...
  • 42 dB reduction
  • 3.5mm stereo
  • 1 oz
  • December 5, 2009

General

  • In-ear / canalphones
  • Stereo

Speakers

  • 1

Other features

  • L-shaped
  • Yes

Audio quality

  • 20 Hz (min)
    16 KHz (max)
  • 27 ohms
  • 108 dB

Noise reduction

  • 42 dB reduction

Connections

  • 3.5mm stereo
  • 5 feet

Size & weight

  • 1 ounce

Pricing & availability

  • Available
  • December 5, 2009
  • December 5, 2009
  • $299 USD

Colors

  • UPC: 072874402556
    Amazon ID (ASIN): B000300Y9O

General info

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ER-4B specs

  • In-ear / canalphones
  • Stereo
  • 1
  • 20 Hz (min)
    16...
  • 42 dB reduction
  • 3.5mm stereo
  • 1 oz
  • December 5, 2009

General

  • In-ear / canalphones
  • Stereo

Speakers

  • 1

Other features

  • L-shaped
  • Yes

Audio quality

  • 20 Hz (min)
    16 KHz (max)
  • 27 ohms
  • 108 dB

Noise reduction

  • 42 dB reduction

Connections

  • 3.5mm stereo
  • 5 feet

Size & weight

  • 1 ounce

Pricing & availability

  • Available
  • December 5, 2009
  • December 5, 2009
  • $299 USD

Colors

General info