| Make | Garmin |
|---|---|
| Model | GMA 340 Audio Panel with |
| Registration | N011 |
| Condition | Used |
| Location | Pompano Beach, FL , US |
| Date Listed | Aug 12, 2026 |
| Expires | Sep 11, 2026 |
Description
Garmin GMA 340 Audio Panel – Excellent Working Condition
Removed from my aircraft during a full instrument panel upgrade. This Garmin GMA 340 is in great condition, works perfectly, and is ready for installation.
Includes:
• GMA 340 audio panel
• All mounting hardware
• Back plate
• Mounting tray
Key Features:
• 6-place stereo intercom (pilot, copilot + 4 passengers) with individual VOX circuits on each mic input
• Three intercom isolation modes: Pilot, Crew, and All
• Independent volume controls for pilot, copilot, and passengers
• Dual stereo music inputs
• Marker beacon receiver with high/low sensitivity and SmartMute
• Split COM capability (pilot on COM1 / copilot on COM2)
• Fail-safe operation (pilot mic/headset automatically connects to COM1 if power is lost)
• Speaker output with PA function
• Supports up to 3 transceivers + multiple nav/receiver inputs
• TSO’d (TSO-C50c / C35d)
• Operates on 14/28 VDC
This is a proven, reliable audio panel that has served well in my airplane. Clean unit with no known issues—simply removed as part of an upgrade. Ideal for someone looking for a solid, feature-rich audio panel without buying new.
Feel free to ask any questions.
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