Ps Engineering Aircraft Audio Control Systems
audio select panels


New PMA450B Double Downs

 For Bluetooth® Utility

 Multiple Built-in Bluetooth® Modules






With the proliferation of Bluetooth® enabled devices in the cockpit and the ways pilots are using them, it was time to take the next step in connectivity with the introduction of the PMA450B.  

More Bluetooth® capability than any other audio panel available today, When coupled with our innovative approach to audio control, this  user friendly PMA450B gives more what the pilot wants from their audio panel, the central nervous system of their avionics suite.

This 3rd generation PMA450 has two completely independent Bluetooth® modules, giving  unprecedented connectivity capabilities.  The PMA450B has the ability to work like no other panel available. Stream to a digital video camera, hear Foreflight® alerts, make a phone call to ATC for your IFR clearance, you might even listen to your favorite tunes once in a while.

PMA450B also adds our flightmate®. This integrated audio alert system gives the pilot the ability to hear alerts related to aircraft conditions. NOTE, additional wiring is required to enable this capability when upgrading  from either GARMIN GMA340 or PMA8000 series audio panels)  

Learn more about flightmate®, click on the link below: 


IntelliAudio® gives the pilot the capability to pay attention to the radio that is important to their flight at any one instant in time. Consider Com 1 coming from the 10 o’clock position while Com 2 is coming from the 2 o’clock position, just like being at a cocktail party, you are able to pay attention to the person who is telling you something important while ignoring the other conversations that aren’t.


The 3 Soft-key user interface is unprecedented for audio control panels. With more and more capability provided by our audio panels, we found it necessary to make the access to these functions easier. If you can read English  you’ll be able to get all of the capability from the PMA450B without ever having to open up the User’s Guide. 

This audio panel is plug ‘n play** with GARMIN’s GMA340, which makes upgrading as easy as 1-2-3. The existing wire harness and tray that is installed for the GMA340 is complete and there is nothing to add or change. Get all of the new capabilities by simply removing and replacing. A simple log book entry is all that is required. 


Check list of capabilities:

  • 3 Softkey User Interface integrated with OLED Graphics Display allowing intuitive operation as well as wide angel view in all levels of cockpit lighting

  • IntelliAudio® True Dimensional Sound enhances the ability to  listen to two com radios at the same time

  • Multiple Bluetooth® modules - unprecedented flexibility

  • Bluetooth® Music Streaming with front panel volume control

  • Bluetooth® telephone connection

  • Bluetooth® digital audio output for video recorders

  • USB-C Charging Port provides 15 Watts of power with Auto-Protection preventing electrical shorts from being an issue. 

  • 4 Independent Music Inputs, Music #1, Music #2, and Bluetooth® 1 (BT1), Bluetooth® 2 (BT2), and streaming output

  • Enhanced Digital Aircraft Radio Recorder with display of Com and message number that is being played back

  • Copilot as Passenger function

  • 6 place IntelliVox® automatic VOX hi-fi stereo intercom with advanced intercom functions such as Alternate Intercom Function and Copilot as Passenger

  • 3 User definable switched inputs

  • Monitor Mode allows automatic muting of non-primary radio 

  • 3 music mute modes: Mute On, Mute Off, Radio Mute 

  • Volume control for Intercom, Speaker, Marker Beacon Audio, 3 Switched Inputs, Telephone, and all Music Inputs 

  • Built-in Marker Beacon Receiver

  • Split mode for dual audio panel capability

  • 3 Isolation modes - Pilot Isolate, All, and Crew

  • 4 - 6 un-switched inputs

  • Selectable music distribution for pilot, copilot and passengers

  • RAM (Radio Active Mute) eliminates constant back ground noise from radio static

  • 2-year Pro-Support Warranty


List Price -  (050-450-0601) PMA450B  $2,595

List Price - (050-450-0601) PMA450B without BT2 $2449

List price  - (050-450-0701) PMA450B without Marker Beacon receiver $2,495

List price  - ((050-450-702) PMA450B without BT2 and Marker Beacon receiver $2349

* GARMIN is a registered trademark of GARMIN, Ltd. PS Engineering, Inc. is in no way affiliated with GARMIN, LTD.  

** Dimmer voltage must be 0 - 12 VDC or 0- 24 VDC




Click to download the Front Panel SIMULATOR

After the installation is complete, you will find the Airplane Icon on your desktop which is labeled "PMA450A Simulator". To turn on the PMA450A, left click on the "ON" that is in the middle of the left hand knob.

Click here to download the INTELLIAUDIO® Simulator

After Installation, you will find a Headset Icon on your desktop labeled "IntelliAudio® Simulator". While wearing a stereo headset, click on "Turn IntelliAudio® ON" and then click on either Move Com 1 or Move Com 2 to place these audio signals in various positions within your headset.

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