i have actually heard that it has poor sound quality compard to its lesser known models like xperia go etc.....
DAC of Sony Xperia S - Page 2
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It sounds much better than my previous Galaxy S2 but only thing is its too bright for my taste. Highs are more pronounced. Other than this I don't see any major negatives.
Xperia Uses Qualcomm WCD9310 DAC
MSM8960 CPU with something called PM8291 thing and with WCD9310 DAC.
heres comparison wolfson vs qualcomm dacs http://www.head-fi.org/t/632804/wolfson-wm1811-vs-qualcomm-wcd9310-on-the-galaxy-s3
qualcomms is good yes..but Wolfson is TAD bit Better.
Edited by Pruikki - 12/23/12 at 1:20am