Able to be heard (7)
I believe the answer is:
audible
<span class="explanation-format__ClueExplanation">'<span class="explanation-format__original">able to be heard</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 audible that I've seen before include "Loud enough to be heard" , "Able to be heard" , "Distinct" , "not to be missed?" , "Within earshot" .)