Professional Series Challenger II foam ear bud speakers with 1/8" mono plug. For the clearest race radio communications possible. Challenger II are #1!

Utilizing a hearing aid transducer instead of a standard speaker, expect unmatchable clarity from these ear buds.

  • Rugged blue cabling
  • Knowles Hearing Aid speakers
  • 1/8" mono plug
  • Made In USA!
*Returns are accepted if there is a product defect, or if the earbuds are new and unused. Due to health laws related to hygiene issues, worn/used earbuds cannot be returned unless there is a product defect.