Sigtronics SPA-400 Four Place Intercom

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Sigtronics SPA-400 Four Place Intercom


Sigtronics SPA-400 Four Place Intercom. New in box, never installed or used. FAA TSO approved. Pilot fail safe feature allows pilot to always hear radios. Works with all brands of General Aviation headsets. Reversible face plate included for vertical or horizontal mounting. Radio priority assures that ATC hears only the crew member transmitting. The SPA-400N is for high noise environments and is designed specifically for experimental, ultralights, warbirds, helicopters, and other high noise aircraft. Push to intercom as well as voice activated intercom is available as desired. Tested by Sigtronics at ambient noise levels of between 115-120 decibels, the SPA-400N / SPA-600N outperformed all other intercoms on the market, panel mounted as well as portable.

Price New: $229, Our Price; $99



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All sales for avionics, parts, and equipment by Tomahawk Aero Services, LLC are made subject to the following binding terms and conditions.

  1. All purchase transactions are subject to an 8.5% Washington State Sales Tax.
  2. Prices do not include shipping and handling. All shipping originates from Bellingham, Washington.
  3. All items are sold as/is and are sold without warranties or guarantees, except where the manufacturer’s warranty may still apply.
  4. All sales are final. No returns or credits will be authorized.