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.