AA21-400
Loudspeaker Controller

Product

Maximize performance and reliability of your aircraft’s loudspeaker system.

AEM’s AA21-400 Cabin PA and Siren Controller is a single, panel-mounted unit that provides a simple interface to all generations of AEM’s loudspeaker amplifiers and speakers. It maximizes the performance and reliability of your aircraft's PA system with state-of-the-art design, improved frequency response, and an optimized microphone input circuit.

Integrators will appreciate the AA21-400's simple interface with existing aircraft audio systems. We also made the unit configurable to receive either radio or CD audio, allowing for radio rebroadcast capability or playback of recorded information.

 

Compliance

  • D0-160D
  • DO-170
  • TSO-C50c

Product Images

Product

Features

  • Optimized microphone audio input circuit
  • Field-adjustable audio inputs
  • Selectable wail and yelp siren
  • 25-watt internal speaker amp
  • Available in standard configurations or customized panel layouts, with 5 Vdc or 28 Vdc standard white lighting,
  • Optional NVIS lighting

Brochures

AA21-400 Product Brochure

Documents

AA21-4xx Installation and Operation Manual

Mechanical Specifications

Mechanical Specs
Height 1.12″
Width 5.75” at the front, 4.97” at the rear
Length 6.33” excluding mating connectors
Weight 1.4 lbs MAX

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