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Techatronics 19th July 2012 08:28 PM

25mm Speaker selection
I am working on an art project which includes ambient music player. I am an electronics engineer and have no knowledge of audio, I need to select a suitable speaker.

Here are the requirements and constraints:
1. Loud enough to be able to be heard clearly within 7-8 m radius with reasonable background noise. For reference, lousdpeaker of a sony ericson mobile phone is loud enough for our task.
2. Size cannot be more than 28mm in any dimension.
3. Should have decent frequency response even for lower frequency. Need not be hi fi but reasonable reproduction of music.

Please suggest a suitable speaker or specs I should look at while selecting.

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