SAN JOSE, Calif.–(BUSINESS WIRE)–Summit Wireless Technologies, Inc. (NASDAQ: WISA), a leading provider of immersive, wireless sound technology for intelligent devices and next-generation home entertainment systems, provided an update for the fourth quarter ended December 31, 2020. Q4 2020 Financial Highlights: Revenue increased 141% to over $1.0 million, compared to $430,000 in the fourth quarter of 2019. Gross margin expanded to 24%, compared to 17% in the third quarter of 2020. Cash and cas