MedRx DSM Pro Digital Speech Mapping Machine For Hearing AidsThus will go good with  Qualitone Acoustic Appraiser Audiometer Box machine that I also have for sale in my store . 13"W x 16"D x 1 1/2"H.

I don’t know how to properly test this that is why I am selling this AS IS FOR PARTS OR REPAIR. Purchased this at local auction and was told that is in working condition .

Serial number : PB63503