In article ,
The Medway Handyman wrote:
Think a bit more about what the plan of action is to be when the alarm
triggers. Have a look at sound bombs.

Wozza sound bomb then?

Name for an extra loud sounder - usually multiple transducers.

http://www.tlc-direct.co.uk/Products/TSSB2.html

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*Hang in there, retirement is only thirty years away! *

Dave Plowman London SW
To e-mail, change noise into sound.