Anyone try the SB Ring Domes?

[bose301s 5,000+ posts]

I am looking at them for my car, they are the small format ones. Have any of you tried them in a car or in a home speaker design? I would love to use them but it they aren't worth it I would rather not waste my money.

http://www.madisound.com/catalog/product_info.php?cPath=45_229_427&products_id=8664

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