The Model 270 Universal Interface Amplifier provides
multipurpose amplification and switching functions for varying
radio, microphone, and customized audio interface needs. The
unit interfaces radios to operator headsets and microphones and
provides specialized switching functions, such as voice-activated
switching, radio PTT switching, or other interface functions.
The Model 270 can serve as a mobile/FM radio-audio interface, can
be used as a primary amplifier for an aircraft or vehicle operator
station, or can be deployed as an auxiliary amplifier for interface
to other applications.
Features include floating key lines, RX & sidetone
amplifier, floating audio lines in and out, mic amplifier with
adjustable output, and selectable functions and levels.
Includes VOX and one pin for VOX control.