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After having searched Mouser and a general search for "tiny speaker", "small speaker", "headphone speaker", and not having found what I am looking for, wanted to see if someone here can help me find the correct term, part-number of the tiny speakers used in headphones (s.a. handsfree kit for mobile phones, mp3 players etc.)

If required I can crack open one of the several damaged handsfree sets and share a pic, but just being lazy.

Edit: Please note that I am looking for the tiny speaker, as a component - that is housed inside the ear-plugs, head-sets etc., not the whole finished product.

Also, I am looking for speakers that have a diaphragm that vibrates with enough power to push airwaves through an air-tube for a short distance, like 5-6 inches, yet be small enough, light enough to be put behind a lapel pin.

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  • \$\begingroup\$ "Speaker, headphone"? \$\endgroup\$ – Olin Lathrop Jan 6 '12 at 13:00
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    \$\begingroup\$ "headphone driver"? \$\endgroup\$ – endolith Jan 17 '12 at 17:00
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Added:

For components try searching for "speaker" and sort by size.

In Digikey's catalog "speaker" will get you this and after you reject the expensive tiny specialist units you get eg.

These

Drawing low on dimensions.
A few here
Allegedly 13mm x 2mm.

http://www.puiaudio.com/pdf/AS01308MR-R.pdf


Or these - prices and datasheet.

From 13 mm dia

enter image description here

http://www.mallory-sonalert.com/Articles/TechAppGuides/Miniature%20Speaker%20Models.pdf
http://search.digikey.com/us/en/products/PSR-11N08S-JQ/458-1119-ND/2071435


Earpiece.
Magnetic earpiece (some)(mot common)
Piezeoelectric earpiece (some)

Many but not all of these will be relevant, with links - via Magnetic earpiece

enter image description here

and Piezoelectric earpiece

enter image description here

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  • \$\begingroup\$ Thanks @Russell. My question wasn't clear enough, so I've edited it. Actually, these all seem to be the finished products. I am looking for the speakers (sold like other electronic components), that are used to make such products. \$\endgroup\$ – bdutta74 Jan 6 '12 at 11:37
  • \$\begingroup\$ Perfect. Just the thing I was looking for. Thanks. \$\endgroup\$ – bdutta74 Jan 6 '12 at 18:44
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If you want the "element" itself, try a search for "acoustic speaker element" or similar.

This link might give you a list of suitable manufacturers...

http://www.alibaba.com/manufacturers/acoustic-speaker-element-manufacturer.html

I have also seen them referred to as "microspeakers" or "mini-speakers" or mini or micro-speaker elements. As to the "part number" that will depend on the size, type and most importantly the manufacturer.

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I think what you are looking for is a headphone "transducer". That or "speaker capsule".

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