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Sigtronics pioneered voice activated intercoms and we continue to deliver value and performance today in the 4 or 6 place FAA TSO approved SPA-400 / SPA-600 intercom series. With fail safe features that allow pilots to always hear the radio even if the intercom is off, and radio priority that assures ATC only hears the crew member transmitting, the SPA intercom series is the standard by which all others are judged.
Compact Size Choose either a rectangular (horizontal or vertical) or circular faceplate mounting configuration to fit anywhere in the cockpit. With a compact size and weight, the SPA systems will easily fit in the tightest panels.
All installation hardware including jack kit and pre-wired harness are included. High Noise Intercom SPA-400N / SPA-600N The SPA-400N / SPA-600N FAA TSO approved High Noise Environment Series 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 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.
RES-401 / RES-601 Stereo Retrofit System Add full stereo capability and crew isolate to your existing SPA-400 / SPA-600 intercom installation with our RES-401 / RES-601 stereo retrofit system. The RES system does not require removal of the existing intercom installation.
RES-601 Stereo conversion for a 6 place SPA-600 Intercom