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Expand to 4 Place with STX STEREO Alpha Audio Helmet Kits


Expand your two-person STX STEREO intercom system to 4 persons with this Helmet Kit expansion pack.

Experience high fidelity true stereo in comfort and performance with the STX Stereo Helmet Kit! This complete STX STEREO flex boom helmet kit features Rugged Radios Dura-Link Sealed Connector, Clear Hear stereo speakers and dynamic noise canceling mic for the best audio performance.


  • High Fidelity true stereo
  • Loud Alpha Audio Speakers
  • Full Flex Boom with noise cancelling mic
  • (2) Alpha Audio Helmet Kits
  • (2) 16' STX STEREO Cables

Compatibility: Works with Rugged Radios STX STEREO High Fidelity Intercom, Rugged STX STEREO cables, and other stereo intercoms like PCI Trax.