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OTTO Engineering - Expect Excellence



One Wire Monitoring Kit - Direct Connect

OTTO's one wire monitoring kit is a single earphone designed for left or right ear use with in-line push-to-talk.
  • Lightweight, single wire earphone kit
  • Miniature PTT and microphone with durable clothing cable
  • High quality earphone speaker
  • Quick disconnect acoustic tube
  • Retail
  • Security
  • Casinos
  • Crowd Control at Conventions and Concerts

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