µFidelity™ Speakers

Micro speakers for personal audio

Solid-State Fidelity™ MEMS Microspeaker Technology

Superior audio clarity and fidelity for personal audio devices

Features & Benefits

xMEMS hi-res, solid-state MEMS micro speakers offer pioneering capabilities not possible with traditional voice coil speakers.

Superior Clarity, Detail & Fidelity

Silicon diaphragm for reduced speaker breakup

World’s Fastest Transient Response

1° Spatial Accuracy & Separation

By leveraging the precision and scalability of modern silicon fabrication, our MEMS speakers offer several manufacturing benefits.

Solid-State Uniformity & Consistency

10,000g Shock Resistance

All-silicon, SMT reflowable

Water/Dust Resistant

Explore Our MEMS Micro Speaker Categories

Our MEMS microspeaker technology produces the world’s fastest and most precise micro speakers delivering superior audio clarity and fidelity.

Muir

MEMS Tweeter Speaker

As the world’s smallest, all-silicon MEMS tweeter for TWS earbuds and headphones, Muir delivers extended high-frequency response with next-level clarity and fidelity for 2-way woofer/tweeter designs.

Features

Package dimensions: 3.2_W x 5.0_L x 1.15_H mm
Superior high-frequency response & clarity
High-performance tweeter for non-occluded or multi-driver earphone implementations

Applications

True Wireless Stereo (TWS) Earbuds
2-Way Headphones
Hearing Health
Smart Glasses (tweeter only)

Cowell

Full Range MEMS Microspeaker

As the world’s smallest full-range, all-silicon MEMS speaker for Earbuds and hearing aids, Cowell delivers bass response down to 20Hz and superior high-frequency fidelity and clarity.

Features

Package dimensions: 3.2_Wx 6.0_Lx 1.15_Hmm
Superior high-frequency response & clarity
Can function as a full-range speaker (20Hz to 20kHz) for fully occluded systems or as a high-performance tweeter in 2-way speaker modules.

Applications

2-way True Wireless Stereo (TWS) Earbuds (tweeter only)
2-way Headphones (tweeter only)
Wireless/Wired In-Ear Monitors (IEM)
Smart Glasses (tweeter only)
Hearing Aids

Reference
Designs

Montara Plus

Full Range MEMS Microspeaker

As the world’s highest sensitivity MEMS speaker for audiophile-level full-range IEMs, Montara Plus delivers the highest fidelity and clarity in a simplified, single speaker IEM, eliminating complexity, phase disturbances and bulk of multi-transducer monitors.

Features

Package dimensions: 5.15_Wx 10.8_L x 1.15_Hmm
Lightning-fast transient response
Can function as full range speaker (20Hz to >40kHz) for TWS and wired earphones and as midrange-tweeter applications such as smart glasses and virtual reality.

Applications

Wireless/Wired In-Ear Monitors (IEM)
Wired Earphones
Hearing Aids
Smart Glasses (tweeter only)

Reference
Designs

Montara Plus Buds

Cypress

Full Range MEMS Speaker with “Sound from Ultrasound”

As the world’s first full-range, solid-state MEMS speaker for ANC earbuds, Cypress generates sound through ultrasound modulation-demodulation. It provides a no-compromise replacement for coil & magnet speakers in ANC earbuds.

Features

Package dimensions: 6.5_W x 6.3_L x 1.65_H(mm)
Shifting to a “Sound from Ultrasound” principle, Cypress achieves >140dB low-frequency sound pressure level (SPL)
A no-compromise replacement for coil and magnet speakers in ANC earbuds
Extended ANC bandwidth with enhanced speed and phase consistency
No in-band mechanical movement for low distortion

Applications

True Wireless Stereo (TWS) Earbuds

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