Here are the acoustics for your phone:
ifs.zip - Acoustics To UrrucalixV2 (w200,w700, w800 w810)..::Excelente sonido!!!::.. - BADONGO
Here is a detailed study for the acoustics for your phone:
The Best Acoustic Profiles for K750, W700, W800, W810 - Top Sony Forums
Here is the method to upload the files to your phone:
DB2010 cid49 with Far + SEFP, Tested with k750 : Software : Sony Ericsson @ Esato
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