Products and reference designs

USound develops MEMS audio solutions and offers a variety of products and reference designs. Our intent is to showcase how MEMS technology can be implemented in modern personal audio applications and to provide our customers with ideas that awe their customers. Learn more about our core speakers, our innovative development kits and innovative reference designs.

MEMS speakers

USound’s silicon MEMS microspeakers with their compact size of 4.7 × 6.7 × 1.6 mm are ideal for in-ear headphone designs, wearables such as true-wireless headsets.
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Fauna is audio eyewear powered by USound’s MEMS microspeakers. It enables users to listen to music and audio books and also take and place phone calls.
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Reference designs


Megaclite is a pair of wired USB-C earphones based on USound’s MEMS microspeakers delivering a distinctive sound quality.
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Proteus is a design for a powerful speaker array based on our Ganymede MEMS microspeakers – with 40 or 80 speakers inside.
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Evaluation sets


Adap is optimised as a tweeter with high SPL above resonance. It has a higher resonance frequency than Achelous and due to its higher Q-factor the maximum SPL can be reached.
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Amalthea and Carme

Achelous provides higher excursion and more damping ideal for in-ear designs. In free-field, the resonance is lower than Adap, which allows a lower cross over frequency.
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Danube is USound’s audio module for both augmented reality and virtual reality glasses as well as regular frames.
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Leda is a power-efficient amplifier ASIC to drive a piezo MEMS speaker.
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