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All the features of Sigtronics' stereo pilot isolate series in an FAA TSO approved intercom only (no music capability) package. The SCI-4 four place offers dual volume and squelch, three modes of operation: All, ISO, Crew, and includes our fail-safe feature. By placing the intercom in the ISO mode of operation, the pilot’s microphone and headphone are routed directly to the aircraft radios.

Small Size

This powerful intercom can be mounted horizontally or vertically and needs only 1” by 2.5” of panel space. Only a minimum of rewiring is required to upgrade from a SPA-400 / 600. By using your existing interface cable and the included pre-wired harness and hardware, upgrading to a SCI intercom is fast and easy.

The SCI Series intercoms are constructed of high quality components and carry a 5 year parts and labor warranty.

  • FAA TSO approved
  • Dual Volume and Squelch Controls
  • Pilot fail safe feature allows pilot to always hear radios
  • Reversible face plate included for vertical or horizontal mounting
  • Full 5 Year Warranty
  • Installation hardware included, including jack kit & pre-wired harness

  • Size: 6.0" x 2.5" x 1.0"
  • Weight: 6.7 oz.

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California Residents:

Prop 65 Warning: This product may contain chemicals known to the State of California to cause cancer, and birth defects or other reproductive harm.