Pilot fail safe feature allows pilot to always hear radios.
Use Satellite Radio, MP3 or CD players as audio source.
Radio priority assures that ATC hears only the crew member transmitting.
Installation hardware included, including jack kit & pre-wired harness.
Compact Stereo System The SPA-4S is a 2 or 4 place voice activated intercom with inputs for
stereo music. It is a compact system that allows it to fit in space critical
panels. The SPA-4S uses the industry standard Sigtronics squelch, fast on slow
off for hands free communication. The music will full mute during ATC
communication and partial mute during intercom communication. When radio /
intercom use is ended the music will gradually return to its previous volume.
Easy Upgrade Each intercom comes complete with all necessary mounting hardware,
jacks, and two 4-foot pre-wired harnesses. The SPA-4S only requires 1” X 2.5” of
panel space, mounts horizontal or vertically, is 4” deep, and weights 5.5 oz.
The SPA-4S intercom can easily upgrade the SPA-400. The SPA-4S uses the same
panel hole pattern and interface cable as the SPA-400. A second cable is
provided for the music inputs and headphone outputs.
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Sigtronics SPA-4S Stereo Panel Mounted Intercom Sigtronics SPA-4S The SPA-4S is a panel mounted 2 or 4 place voice activated intercom with inputs for stereo music.