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The JBL Synchros S300 are over-ear wireless headphones with an inline remote for use with iOS devices or other smartphones. They have 40mm drivers and are powered by 2 AAA batteries.


  • Status: Available
  • Availability date: Nov. 16, 2013
  • Price at launch: $179.99


  • Color: Black, White
  • Design: Over-the-ear
  • Connection type: Wired (3.5mm)


  • Frequency response (low): 10 Hz
  • Frequency response (high): 22000 Hz


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