Are adjectives tethoscopes matching?

I think you intended stethoscopes. No, like everything else, you bring back what you pay for. The better one are more sensitive surrounded by picking up sounds the cheapers ones may miss.
Well, considering there is no such piece as a tethoscope, I'd have to voice yes, they are all like peas in a pod.
do you mean stethoscopes ? no they change from $52 to over $300