Boston-Based Microphone Startup Vesper Raises $18 Million In Funding

Vesper raises 18 million dollars funding

Vesper, a Boston-based startup that makes tiny microphones and voice-activated technology, raised $18 million more in funding. Amazon once again was among the company’s backers. The funding round was led by Boston venture firm Accomplice. Vesper also received investments from Applied Materials Ventures, Sands Capital, Bose, Amazon Alexa Fund, Gopher Asset Management, ITIC, World Peace Group, Unitrontech, and MegaChips. The round brings Vesper’s total funding to date to $73M.

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The funding will enable the startup to accelerate hyper-scaling of its smart microphones and accelerometers from tens of millions of units per year to hundreds of millions per year, support research and development, and expand into new markets, Vesper said in a news release.

“This additional financing is a strong show of support from new and existing investors to enable Vesper to rapidly scale production to capitalize on new sales opportunities,” said Matt Crowley, CEO of Vesper. “Our vision to use our proprietary ZeroPower Listening™ architecture to bring order of magnitude improvements in power consumption to always sensing systems is being validated by many of the world’s most innovative companies across multiple markets. This financing will allow us to serve new customers and applications, and help accelerate the transition to edge AI enabled always listening systems.”

A man listening to music

In April, Vesper raised $8 million, bringing the company’s total funding to $65 million. The funding round was led by Applied Ventures but included funding from Accomplice, Amazon Alexa Fund, Bose Ventures, Sands Capital, and other undisclosed investors.

About Vesper

Vesper is a privately held smart sensor company based in Boston, MA. Vesper’s award-winning microphones and accelerometers deliver tremendous value by embedding intelligence at the extreme edge of the network. For more information, visit, Twitter, and YouTube.

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About Accomplice

Accomplice is a seed-led venture capital firm that embraces risk, and is the most determined, patient capital partner for entrepreneurs building things that matter. We have been part of the origin story of AngelList, Carbon Black, Currencycloud, DraftKings, Integral Ad Science, Hopper, PillPack, Plastiq, Recorded Future, SecurityScorecard, Skillz, Veracode, WHOOP, and Zoopla. Accomplice has pioneered a community approach through platforms like Spearhead, BOSS, Rev, and TUGG. Based in Boston.

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Sam Draper
Sam Draper () is Online Editor at WT | Wearable Technologies specialized in the field of sports and fitness but also passionated about any new lifestyle gadget on the market. Sam can be contacted at press(at)