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Otto Single IFB Earphone

The Otto Engineering Listen-Only Earphone Kit in black is designed for IFB (Interruptible Foldback) and personal monitoring. It comes with a 4-foot straight cable and a 3.5mm right-angle mini plug. This earphone allows for hands-free listening when paired with an Otto Engineering speaker microphone (which is sold separately).

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  • Designed for use with Listen-Only IFB (Interruptible Foldback) systems
  • Compatible with Otto Speaker Microphones
  • Equipped with a 3.5mm right-angle mini plug
  • Comes with a 4-foot cable for flexibility
  • Includes an acoustic tube for clear and discreet audio monitoring.