The PX shipped with a 2048 word vocabulary twice the original design amount this "firmware"

Equipped with an internal  speaker the PX also has an external audio jack as well.

This  jack is for Amplified speaker with a 1/8 inch stereo jack.

Powered by two AA batteries ,We recommend Lithium ION batteries .

The Heart of the PX is a  Microprocessor  running at 16 MHz . 

The Internal speaker is Mylar to be moisture resistant.

 

 

 The main System board is double sided smt 

The PX has no user servicable parts or adjustments inside the PX

All Adjustments are via software.