Theworld’s first digital noise canceling headphones, by Sony
®
. In an independent, blind test,
frequent business travelers rated them #1 twice as often as either the Bose
®
QC
™
2 or QC
™
3
inoverall noisecancellationandaudioquality. Learnwhydigital noisecanceling is better at
sony.com/headphones
© 2009 Sony Electronics Inc. Sonyand the Sony logoare trademarks of Sony. Bose,QCare trademarks of BoseCorp.
Sony
®
Digital NoiseCanceling
headphones reduce 99%of
ambient noise.
NC500D
