Old hearing aid (3,7)
I believe the answer is:
ear trumpet
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">old hearing aid</span>' is the definition.<br/ ><span class="explanation-format__explanation">(I've seen this before)</span><br/ ><br/ >This is all the clue.<br/ ></span>
(Other definitions for ear trumpet that I've seen before include "One gathering sound" , "Early hearing aid" , "Primitive hearing aid" , "sound engineering device" , "Hearing piece" .)