AUDIO AMPLIFIER (P/N 438) - As Removed

Part 438 is an aircraft audio amplifier that boosts and distributes intercom or radio signals throughout onboard communication systems. This unit amplifies low-level audio from control units and routes the signal to cockpit speakers and headset interfaces. Approved under FAA TSO-C50c and qualified to RTCA DO-160 environmental standards, it handles temperature cycling, vibration, and electromagnetic interference typical of flight operations.

Installation mounts near the avionics rack or audio control panel. Verify compatibility with aircraft maintenance manual wiring diagrams before return to service.

What is the AUDIO AMPLIFIER (P/N 438)?

Part 438 is an aircraft audio amplifier that boosts and distributes intercom or radio signals throughout onboard communication systems. This unit amplifies low-level audio from control units and routes the signal to cockpit speakers and headset interfaces.

Is the 438 compatible with my aircraft's avionics suite?

Avionics compatibility depends on your aircraft model and existing installation. The AUDIO AMPLIFIER is available in: As Removed. We recommend checking your aircraft's wiring diagrams and STC documentation, or contact our avionics team for compatibility assistance.

Does the 438 come with an 8130-3 airworthiness tag?

Availability of an FAA 8130-3 tag depends on the part condition. Overhauled and repaired units typically include 8130-3 documentation. As-removed units may include a removal tag with trace history. Contact us for specific documentation on the condition you need.

Do you offer bench testing for the 438?

We can arrange bench testing through our network of FAA-certified repair stations. Call (904) 998-9101 for testing availability and turnaround times, or submit an RFQ with your specific requirements.