PMA450B Audio Panel Upgrade @martinpauly
PMA450B Audio Panel Upgrade  @martinpauly
Uploaded October 2020 | Updated September 2026, 2 weeks ago
Not all avionics upgrade projects incur months of downtime and cost tens of thousands of Dollars. A good, modern audio panel can make a big difference, depending on what is installed in your aircraft today.
In this video, I am installing the PS Engineering PMA450B. It is pin-compatible with my PMA8000BT and also with the Garmin GMA430 audio panel frequently found in older setups, and replacing especially these older audio panels with a new one can greatly increase the comfort on flights: streaming music through Bluetooth in high quality, automatic squelch control, and the "IntelliAudio" spatial audio mapping which makes it easy to listen to two radios at once, to give just a few examples.

0:00 Start
0:51 Case for change
2:24 Installation
5:57 Flight test
7:47 IntelliAudio
9:18 Music streaming
11:14 PS Engineering factory tour
14:38 Other new features
16:28 Conclusion

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Music: epidemicsound.com
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PMA450B Audio Panel Upgrade

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