High Noise Environment N Series - SPA-4SN The FAA TSO approved SPA-4SN is available for the high noise amateur built aircraft and helicopters. As with all of Sigtronics’ products, the SPA-4S / SPA-4SN are RFI and EMI immune. The SPA-4S intercom is constructed of high quality components and carries a five-year parts and labor warranty. The SPA-4S will operate on an input power of 11 VDC through 32 VDC. Maximum current drain 0.10 Amps.

• FAA TSO approved.
• Pilot fail safe feature allows pilot to always hear radios.
• Use Satellite Radio, MP3 or CD players as audio source.
• Reversible face plate included for vertical or horizontal mounting.
• Radio priority assures that ATC hears only the crew member transmitting.
• Installation hardware included, including jack kit and pre-wired harness.
• WARRANTY: Five years parts and labor.

Specifications

• Headset Positions: 4
• Stereo: Yes
• Size: 4" x 2.5" x 1"
• Unit Weight: 5.5 oz.
• Jacks/Harness Weight: 7 oz.