Car exploded abruptly within earshot (7)

I believe the answer is:

audible

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'within earshot' is the definition.
(I've seen this before)

'car exploded abruptly' is the wordplay.
'car' becomes 'audi' (Audi is a German car brand).
'exploded abruptly' becomes 'ble' (I can't justify this - if you can you should give a lot more credence to this answer).
'audi'+'ble'='AUDIBLE'

Can you help me to learn more?

(Other definitions for audible that I've seen before include "Able to be heard" , "Capable of being heard" , "that one can catch" , "Within earshot" , "Easily caught" .)

I've seen this clue in The Independent.

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