xMEMS
xMEMS Labs is a Santa Clara-based fabless semiconductor company founded in 2018 that designs solid-state MEMS speakers (Cypress, Cowell, Sycamore, Lassen), micro-cooling chips (µCooling), and acoustic vents built on a proprietary piezoMEMS platform for consumer audio OEMs, AI glasses makers, smartphone/laptop manufacturers, and AI datacenter SSD vendors.
- Company typePrivate
- Founded2018
- HeadquartersSanta Clara, United States
- Headcount51–100
- GTM typeB2B
- OfferingHardware or Manufacturing
What xMEMS does
xMEMS Labs, Inc. is a Santa Clara-based semiconductor company founded in January 2018 that develops solid-state MEMS components built on a proprietary piezoMEMS thin-film piezoelectric platform. The company's product portfolio spans three technology lines: µFidelity MEMS speakers (Cypress full-range speaker for TWS earbuds, Cowell micro speaker, Sycamore near-field loudspeaker for headphones and AI glasses, Lassen in-ear micro speaker), µCooling solid-state micro-cooling chips (XMC-2400 fan-on-a-chip for smartphones, tablets, AI glasses, and SSDs), and Skyline DynamicVent (µValve) solid-state acoustic vents. All products replace legacy moving-part components (voice coils, magnets, membranes, mechanical fans) with monolithic silicon alternatives, enabling 1-1.28mm thin form factors, silent operation, and faster transient response. xMEMS also publishes reference designs (Harding, Cinnabar, Presidio, Spyglass) and companion ASICs (Alta2) to accelerate customer integration.
The company monetizes through direct component sales to consumer electronics OEMs/ODMs and via regional distribution partners (EDOM, NEXTY, STC, INDESMATECH). Pricing is quote-based and not publicly disclosed, with multi-year contracts typical for design-in engagements. Customer concentration is in the audio and personal audio device verticals (TWS earbuds, over-ear headphones, hearing aids, AR/VR audio), with emerging expansion into AI glasses, smartphones/laptops for both audio and thermal management, and AI datacenter/enterprise SSD cooling. As of October 2025, the company had raised approximately $36 million in total funding and holds over 300 granted patents globally.
xMEMS operates three offices: a Santa Clara headquarters, an R&D operation in Zhubei City, Taiwan, and a sales presence in Taipei. The senior leadership team combines MEMS industry veterans from InvenSense (which IPO'd in 2011), Knowles MEMS microphones, Mediatek, and Fortemedia. Named shipping customers include Soundpeats (Air5 Pro+ TWS earbuds) and Creative Technology (Aurvana Ace 3), with mass-production ramps for Cypress and XMC-2400 scheduled for 2026.
xMEMS firmographics
Firmographics- Name
- xMEMS
- Legal name
- xMEMS Labs, Inc.
- Website
- https://xmems.com
- Company type
- Private
- Founded year
- 2018
- Operating status
- Operating
- Headcount range
- 51–100 employees
- Short description
- xMEMS Labs is a Santa Clara-based fabless semiconductor company founded in 2018 that designs solid-state MEMS speakers (Cypress, Cowell, Sycamore, Lassen), micro-cooling chips (µCooling), and acoustic vents built on a proprietary piezoMEMS platform for consumer audio OEMs, AI glasses makers, smartphone/laptop manufacturers, and AI datacenter SSD vendors.
- Ownership category
- akta.pro rank
xMEMS industry classification
Industry- Product category
- MEMS Audio and Thermal Management Semiconductors
- NAICS
- Other Communications Equipment Manufacturing (33429)
- SIC
- Semiconductors & Related Devices (3674)
- akta.pro primary industry
- Microphones & Acoustic MEMS (MEMS Mics/Ultrasonic Transducers) (HDAHALAH)
- akta.pro secondary industry
- Sensors, MEMS & Imaging ICs (HDAHAAAG)
Keywords
Where xMEMS is headquartered
LocationHeadquarters
- HQ city
- Santa Clara
- HQ country
- United States
- HQ region
- North America
Offices3 records
Markets served
xMEMS business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Technology or R&D, Personnel, Supply Chain, Operations, Marketing or Sales
Revenue model
- Hardware Product Sales: Sale of MEMS speaker drivers and cooling chips to consumer electronics manufacturers. Revenue generated from component sales for integration into OEM products.
- Technology Licensing: Potential future licensing of proprietary piezoMEMS technology to manufacturers.
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | Quote-based pricing for volume orders |
Go-to-market motion3 records
Distribution channels6 records
Marketing channels7 records
xMEMS product offering
Product offeringCore offering
xMEMS designs and manufactures solid-state MEMS speakers, active micro-cooling chips (µCooling), and active acoustic vents built on a proprietary piezoMEMS silicon platform. Its products replace conventional moving-coil speakers and mechanical fans with all-silicon piezoelectric alternatives for integration into TWS earbuds, headphones, smart glasses, smartwatches, smartphones, tablets, enterprise SSDs, and AI datacenter hardware. The company sells chips and reference designs directly to consumer electronics OEMs and ODMs and through regional distributors.
Product overview
xMEMS Labs is a semiconductor company founded in 2018 that has developed a breakthrough piezoMEMS platform for solid-state MEMS speakers and micro-scale thermal management solutions. The company's product portfolio consists of three core technology lines: (1) µFidelity speakers including Cypress (full-range MEMS speaker for earbuds), Cowell (micro speaker for personal audio), Sycamore (MEMS loudspeaker for headphones/glasses), and Lassen (in-ear micro speaker); (2) µCooling thermal management solutions including the XMC-2400 fan-on-a-chip for active micro-cooling in smartphones, AI glasses, SSDs, and data center components; and (3) Skyline DynamicVent (µValve) solid-state acoustic vents for adaptive ambient control in earbuds. The company also offers reference designs (Harding, Cinnabar, Presidio, Spyglass) and companion ASICs (Alta2) to accelerate customer adoption. All products are built on xMEMS' monolithic silicon piezoMEMS platform, replacing legacy coil motor speakers and mechanical fans with solid-state alternatives.
Differentiator
Problem solved
Functional benefit
Brands
- µCooling: Micro-cooling fan-on-a-chip technology for active thermal management in smartphones, AI glasses, SSDs, and other compact devices
- µFidelity
- µValve
- Sycamore
- Cypress
- Cowell
- PulseAir
Products and services
- µCooling (XMC-2400) Fan-on-a-Chip 1mm-thin all-silicon, solid-state active micro-cooling chip that dissipates heat using piezoelectric fan-like elements with no moving parts; for OEMs building smartphones, tablets, AI glasses, SSDs, and AI datacenter hardware. Delivers 3W heat removal, 150mW power draw, and 28cc/s airflow.
- Cypress Full-Range MEMS Speaker World's first full-range MEMS speaker for wireless earbuds using ultrasonic amplitude modulation technology; targets ANC TWS earbuds from consumer audio OEMs and ODMs.
- Sycamore MEMS Loudspeaker World's first silicon MEMS near-field loudspeaker for headphones, AI smart glasses, and smartwatches; 1.28mm thin and 150mg, delivering full-range high-fidelity sound up to 90% lighter than traditional speakers.
- Cowell MEMS Micro Speaker World's smallest solid-state micro speaker for TWS earbuds and personal audio devices, delivering superior clarity, detail, and spatial imaging with unmatched transient response using piezoelectric MEMS technology.
- Lassen MEMS Micro Speaker In-ear micro speaker for wearables and hearables, part of the xMEMS µFidelity speaker lineup for personal audio devices.
- Skyline DynamicVent (µValve) World's first solid-state MEMS acoustic vent for active ambient control in personal audio devices, enabling adaptive control between open-fit and closed-fit earbud experiences and reducing occlusion effects while improving passive noise isolation.
- Alta2 Companion Drive ASIC Companion drive ASIC for the Cypress full-range MEMS speaker, enabling ultrasonic amplitude modulation and audio signal processing required for wireless earbud integration.
- Harding Reference Design 2-way True Wireless Stereo (TWS) reference design featuring Cowell MEMS microspeaker as tweeter with 9mm dynamic driver woofer, integrating Qualcomm QCC5171 TWS SoC and 3-mics per earbud for ANC and voice calls.
- Cinnabar Reference Design 2-way TWS reference design with active ambient control, adding Skyline DynamicVent to the Harding design with 10mm DD woofer, Cowell tweeter, and world-first active ambient control.
- Presidio Reference Design Dual driver headphone reference design featuring Cowell MEMS Speaker with 35mm DD woofer, delivering unmatched clarity, detail, and spatial imaging with simplified acoustic tuning.
- Spyglass Reference Design Sleep buds reference design using Skyline DynamicVent and DSP noise detection for improved comfort and next-level noise isolation, including Cowell full-range micro speaker for audio playback.
Quantifiable outcome
- Speakers 1-5mm thin with no moving parts
- +2 more outcomes
Companies that use xMEMS
Customer profileNamed customers4 records
Segments4 records
Ideal customer profiles3 records
xMEMS technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability1 record
Feature3 records
xMEMS partnerships and signals
Strategic signalPartnerships
Seven partnerships are on record, tiered core.
- Rayking (Dongguan Rayking Electronics Co., Ltd.)coreStrategic partnership for Cypress + Alta2 module development. Combines Cypress dual-driver MEMS tweeter with Alta2 woofer for 2-way headphone reference design.
- AMPACScorePartnership on 2-way headphone reference design. Joint development of audio module solutions.
- Merry ElectronicscorePartnership on 2-way over-the-ear headphone reference design. Joint development of premium headphone audio solutions.
- EDOM TechnologycoreDistribution partner for Taiwan, China, Korea, and Japan. Resells and distributes xMEMS MEMS speaker and cooling products in these markets.
- NEXTY ELECTRONICS CORPcoreDistributor in Japan. Provides local sales and support for xMEMS products in the Japanese market.
- STC CORPcoreDistributor in South Korea. Provides local sales and support for xMEMS products in the Korean market.
- INDESMATECHcoreDistributor covering Nordics, Baltics, Poland, UK & Ireland. Expands xMEMS distribution presence in European markets.
Scale indicators2 records
Recent moves6 records
Expansion highlights6 records
xMEMS competitors and assessment
Company assessmentDirect peers
- Knowles Corporation: Knowles is the world's largest MEMS microphone manufacturer and a leading supplier of acoustic components to hearables, smartphones, and hearing health. It is xMEMS's most direct competitor in MEMS-based acoustic transducers, and its MEMS speaker programs target the same TWS earbud and hearable OEMs that xMEMS pursues.
- Sonion: Sonion is a leading supplier of micro-acoustic transducers, including MEMS-based speakers and balanced armatures, primarily for hearing aids and premium TWS earbuds. It directly competes with xMEMS in MEMS speakers for hearables and hearing health applications.
- USound: USound is an Austria-based fabless startup that develops MEMS loudspeakers using piezoelectric actuator technology for TWS earbuds, hearables, and wearables. It is the closest pure-play MEMS speaker competitor to xMEMS, with overlapping product positioning and customer targets.
- Frore Systems: Frore Systems develops AirJet, a solid-state MEMS-based active cooling chip for thin electronics including laptops, SSDs, and AI devices. It is the most direct competitor to xMEMS's µCooling product line, targeting the same thermal management use cases with similar form-factor claims.
Emerging players
- Audio Pixels Limited: Audio Pixels is a publicly listed Australian company developing MEMS-based loudspeaker technology for consumer audio applications. It is an emerging competitor in the MEMS speaker category with similar long-term ambitions to xMEMS, though it has not yet achieved comparable commercial traction.
Broad incumbents
- Cirrus Logic: Cirrus Logic is a leading fabless supplier of low-power, high-performance mixed-signal ICs for audio and voice applications, including codecs, DSPs, and amplifiers used in smartphones, headsets, and wearables. Its companion-signal-processing chips compete with and complement xMEMS MEMS speakers in TWS earbuds and headphones.
- InvenSense (TDK):
- Goertek: Goertek is one of the world's largest ODMs/IDMs for acoustic components, including MEMS microphones, speakers, and complete TWS earbud assemblies. It serves nearly all major consumer audio brands and competes with xMEMS both as a component supplier and a potential customer/partner via its module businesses.
Market position
Weaknesses5 records
Competitive moat4 records
Key risks6 records
Key highlights7 records
Customer concentration
xMEMS social profiles
Digital presencexMEMS financial estimates
Financial estimateRevenue estimate
Valuation estimate
xMEMS leadership team
Management profileNumber of profiles
Profiles8 records
xMEMS funding detail
Funding detailFunding overview
Funding rounds4 records
Investors7 records
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
xMEMS M&A and investment
M&A and investmentM&A
Investments
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about xMEMS
What does xMEMS do?
xMEMS designs and manufactures solid-state MEMS speakers, active micro-cooling chips (µCooling), and active acoustic vents built on a proprietary piezoMEMS silicon platform. Its products replace conventional moving-coil speakers and mechanical fans with all-silicon piezoelectric alternatives for integration into TWS earbuds, headphones, smart glasses, smartwatches, smartphones, tablets, enterprise SSDs, and AI datacenter hardware. The company sells chips and reference designs directly to consumer electronics OEMs and ODMs and through regional distributors.
Is xMEMS a public or private company?
xMEMS is a private company. It is classified as venture growth investor backed and is currently operating.
When was xMEMS founded?
xMEMS was founded in 2018. It employs 51 to 100 people.
Where is xMEMS based?
xMEMS is headquartered in Santa Clara, United States, in the North America region.
How does xMEMS make money?
Two revenue lines are on record. Hardware Product Sales are the primary driver. The others are technology Licensing.
Who are xMEMS's main competitors?
Direct peers on record are Knowles Corporation, Sonion, USound and Frore Systems. Audio Pixels Limited is listed as an emerging player. Broad incumbents are Cirrus Logic, InvenSense (TDK) and Goertek.
Does xMEMS have an API?
No public API is recorded for xMEMS.
What industry is xMEMS in?
xMEMS's product category is MEMS Audio and Thermal Management Semiconductors. Its primary akta.pro industry code is HDAHALAH, Microphones & Acoustic MEMS (MEMS Mics/Ultrasonic Transducers), with a secondary code of HDAHAAAG, Sensors, MEMS & Imaging ICs. Its NAICS code is 33429 and its SIC code is 3674.