Nothing working for star wanting loud speakers (7)
I believe the answer is:
orators
'speakers' is the definition.
(I know this)
'nothing working for star wanting loud' is the wordplay.
'nothing' becomes 'O' (looks like zero - 0).
'working' is an anagram indicator.
'wanting' indicates named letters should be taken away (wanting can mean lacking).
'loud' becomes 'f' (short for forte - 'loud' in music).
'for'+'star'='forstar'
'forstar' with 'f' taken away is 'orstar'.
'orstar' anagrammed gives 'rators'.
'o'+'rators'='ORATORS'
(Other definitions for orators that I've seen before include "Cicero and Churchill were" , "Eloquent public speakers" , "Grand public speakers" .)