Sony 7509/1 vs 7509HD ??
Dec 3, 2006 at 4:45 PM Thread Starter Post #1 of 1

Nounours

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I read articles where these headphones are sometimes referenced as MDR-7509/1 or MDR-7509HD.

Does someone know if ut is always the same product, or if there is any difference depending in the reference ?

Thanks very much,
Nounours
 

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