xMEMS unveils Sycamore-W – The thinnest speaker for smart watches and fitness bands

Following the successful debut of the original Sycamore µSpeaker in late 2024, Sycamore-W extends xMEMS’ commitment to µFidelity audio in space-constrained mobile form factors. Measuring just one millimetre thin in a 20 x 4mm form factor, Sycamore-W reduces speaker package volume by 70%, enabling dramatically slimmer, sleeker form factors while delivering high-quality, full-range sound.

“Sycamore-W redefines audio for smart watches, combining compact design with robust performance to meet the demands of next-generation wearables,” said Mike Housholder, xMEMS VP of Marketing and Business Development. “As the wrist becomes a key interface for ears-free, hands-free AI interactions, Sycamore-W empowers manufacturers to deliver premium audio in smaller, lighter, more durable devices.”

Optimised for wrist-worn devices

Sycamore-W is engineered specifically for the unique demands of wrist-based wearables. Its 4mm wide x 1mm thin profile minimises incursion into the watch cavity, enabling designers with the space to integrate more biometric sensors and larger batteries. Compared to legacy coil speakers that are typically 3mm to 4mm thick and weigh up to 3g, Sycamore-W’s 150mg weight dramatically reduces strain and enhances comfort, both of which are key considerations for wearable devices.

Silicon durability and rugged design

This new solution maintains the same solid-state durability xMEMS speakers are known for, with component-level IP58-rated protection and robust 10,000g mechanical shock resistance. These qualities make it ideal for active lifestyle wearables and outdoor-oriented smartwatches and fitness bands.

Sycamore-W measures 20 x 4 x 1.28mm. Samples are available now to early access customers, with volume production slated for Q2 2026. The original Sycamore µSpeaker will continue to serve broader applications, including smart glasses, open-fit earbuds, and laptops, while additional Sycamore family variants tailored to other specific applications will be announced later this year.