The social audio app Clubhouse is seen on a mobile phone in this illustration photo taken February 8, 2021. REUTERS/Florence Lo/Illustration/File PhotoAudio-chat app Clubhouse closed a brand-new Series C round of financing, the company said during its weekly town hall on Sunday, without disclosing the quantity raised.A source knowledgeable about the matter verified to Reuters that the brand-new financing would value the business at $4 billion.The social networks app stated the new round of funding was led by Andrew Chen of endeavor capital company Andreessen Horowitz with significant financiers like DST Global, Tiger Global and Elad Gil.Clubhouse and Andreessen Horowitz did not react to ask for just how much the funding round raised.The San Francisco-based company, whose app allows individuals to go over varied topics in audio chatrooms, has seen its popularity rise after appearances by billionaires Elon Musk and Mark Zuckerberg.The success of the invite-only, year-old platform, which recently reported 10 million weekly active users, has actually shown the potential of audio chat services, especially as individuals remain inside houses due to the COVID-19 pandemic.Bloomberg previously this month said Twitter Inc (TWTR.N) remained in conversations to buy audio app at a $4 billion valuation.Tech website The Information initially reported details on the funding on Friday.Our Standards: The Thomson Reuters Trust Principles.