Become A Wiser, More Profitable Investor

🗞️   A new MEMS tweeter for wireless earbuds doesn't require an amplifier

tech

MEMS solid-state drivers have provided a big sound boost to wireless earbuds recently, offering the ability for companies to pack in a hybrid setup for a wider, more immersive soundstage. xMEMS' silicon-based micro speakers have been a popular choice for this purpose, with the company's Cowell and Muir drivers already appearing in products from Creative Labs and others. Now, xMEMS has developed what it calls the first amplifier-less silicon tweeter for wireless earbuds in a bid to take improved sound and efficiency even further. Officially dubbed Lassen, the tweeter is a lower-cost option for companies. Since it doesn't require a separate piezo amplifier chip like Cowell and Muir, it's more cost effective to integrate with savings of ...

Engadget     Mar 27, 2025