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Sigtronics SPA-400
Four Place Panel Mount Intercom

Sigtronics pioneered the voice activated intercom market in 1974 and continues to deliver value and performance today in the FAA TSO approved SPA-400 intercom series. Radio priority avoids stepping on incoming and outgoing radio messages. Choose either rectangular (horizontal or vertical) or circular faceplate mounting configuration to fit anywhere in the cockpit.
Shipping Weight: 5 lbs

Sigtronics SPA- 400
Four Place Panel Mount Intercom

FAA TSO approved
Pilot fail safe feature allows pilot to always hear radios
Reversible face plate included for vertical or horizontal mounting
Size - Panel 2.5" x 1", Chassis 4" x 2.5" x 1"
Weight - 4.5 oz chassis, 5.5 oz jacks & wiring harness
Installation hardware included, including jack kit & pre-wired harness

Sigtronics are the Originators of aircraft Voice Activated Intercoms
Specialists in "SOUND" Management

Shipping Weight 5lbs.

SPA- 400

High Noise Intercom SPA-400N
High Noise Environment Intercom Series Designed specifically for experimental, ultralights, warbirds, helicopters and other high noise aircraft.

Sigtronics S-AR Aviation Headset
Active Noise Reduction Stereo / Mono Headset
When we set out to make a great active noise reduction headset, we were determined not to compromise on its passive qualities.