The most common and most likely answer to this crossword clue is the 3 plus 7 letter word EAR TRUMPET
I've seen this crossword clue in The Guardian
E
A
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More clues leading to the result EAR TRUMPET
- English skill behind film's sound engineering device
- Meat and toasted cake, no starters, help in reception
- Sadly premature, accepting troop leader’s old hearing aid
- With which to pick up sound of jumbo in Bow?
- Behind short film supporting revised rate for hearing aid
- Electronic facility storing President Eisenhower’s first hearing aid
- Sound device in better film, after something corny?
- 8 Regularly repairs musical instrument’s sound amplifier
- Hearing piece produced by organ and wind instrument
- Appalling mutterer? Pa must get a hearing aid!
Buddy explains!
The straight part
We know that "Sound device" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case sound device = ear trumpet.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does EAR TRUMPET mean?
EAR TRUMPET noun- A conical device designed to channel sound to the apex, placed in the ear to serve as a hearing aid.