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The Pioneer SE-E721 headphones are clip-on, in-ear phones featuring a sweat-resistant design, a ball-joint in the each ear tip to adjust fit, coiled cables, and has 9mm drivers.


  • Status: Available
  • Availability date: Mar. 21, 2013


  • Alias: SE-E721-K, SE-E721-W, SE-E721-R, SE-E721-KW

Also Known As...

  • Weight: 6.5 g
  • Color: Red / Black, White
  • Design: In-ear
  • Physical attachment: Clip-on
  • Connection type: Wired (3.5mm)
  • Wire length: 1.5 m


  • Drivers per ear: 1
  • Impedance : 32 Ω
  • Frequency response (low): 5 Hz
  • Frequency response (high): 23000 Hz


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