1. Sony Unveils 'Ult Power Sound' Series with Music Icon King as Brand Ambassador | CNBC TV18 CNBC-TV18
  2. Sony ULT Wear | Headphones| Unboxing and hands-on Business Standard
  3. Sony India Launches Portable Party Speakers, Headphones as Part Of ULT Series NDTV
  4. Sony zeroes in on audio business to raise India revenue pie to 30%: MD Nayyar Moneycontrol
  5. Sony ULT Series Speakers, Sony ULT Wear Wireless Headphones Launched in India Gadgets 360

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