See below for a link to the audio products software on our website and download the latest MPA1 Software version.
Audio Products Software Downloads
In order to update the MPA1 units, please place the unzipped folder named 'MPA1' onto the root of a USB pen drive that has been formatted as a FAT32 file structure.
Insert the USB Drive into the port on the front of the MPA.
On the front panel of the MPA hold down the Select menu knob for a few seconds, this will open the setup page - select "USB Load/Save" - then select "Update Firmware". The unit should update and then reboot, please do not unplug the unit until this process has been completed.
For any further details or if you are unable to update, please email support@tslproducts.com.