Sonion A/S
Sonion A/S designs and manufactures miniature acoustic and electromechanical components — MEMS and Electret microphones, balanced armature receivers, RIC systems, connectors, and sensors — for the world's leading hearing aid manufacturers, with a nascent Sonion Health business extending into cuffless blood pressure monitoring.
- Company typePrivate
- Founded1974
- HeadquartersRoskilde, Denmark
- Headcount5,001–10,000
- GTM typeB2B
- OfferingHardware or Manufacturing
What Sonion A/S does
Sonion A/S is a Danish designer and manufacturer of advanced miniature acoustic and electromechanical components, founded in 1974 in Roskilde (originally as Microtronic) and operating under private ownership of Novo Holdings A/S since September 2014. The company supplies Tier 1 hearing aid manufacturers globally, producing MEMS and Electret microphones, balanced armature (BA) single and dual receivers, receiver-in-canal (RIC) systems, connector systems, telecoils, NFMI antennas, sound dampers, and sensors including bone-conduction Voice Pick Up devices. Its product portfolio spans more than 4,000 active SKUs and its components are embedded inside medical-grade hearing instruments worn by 50+ million people annually, with manufacturing concentrated in Vietnam (Ho Chi Minh City and Vung Tau) under a LEAN production system delivering approximately 99% on-time delivery. The company also serves professional audio customers with custom balanced armature speakers for in-ear monitors.
The core business model is B2B component sales on a quote-based, multi-year contract basis, augmented by custom design and manufacturing services including prototyping and 3D printing. Sonion acts as a design-in technology partner to a small set of global hearing aid OEMs, supported by direct sales offices in Denmark, the Netherlands, the U.S., Vietnam, Poland, and China, and a regional distributor network in Australia, Japan, Latin America, Korea, and China/Taiwan. A second growth pillar was launched in March 2025 as Sonion Health, a portfolio business commercializing a cuffless, continuous blood pressure monitor (Sonion Health Band) built on proprietary Laser Doppler Flowmetry biosensing and Health-AI machine learning, with seven filed U.S. patents and a Remote Patient Monitoring Platform for hypertension management. Sonion employs 6,000+ people globally, holds ISO 9001, 14001, and 45001 certifications, and has secured a 2025 EcoVadis Gold Medal (top 5% globally) and SBTi-approved climate targets.
Sonion A/S firmographics
Firmographics- Name
- Sonion A/S
- Legal name
- Sonion A/S
- Website
- https://sonion.com
- Company type
- Private
- Founded year
- 1974
- Operating status
- Operating
- Headcount range
- 5,001–10,000 employees
- Short description
- Sonion A/S designs and manufactures miniature acoustic and electromechanical components — MEMS and Electret microphones, balanced armature receivers, RIC systems, connectors, and sensors — for the world's leading hearing aid manufacturers, with a nascent Sonion Health business extending into cuffless blood pressure monitoring.
- Ownership category
- akta.pro rank
Sonion A/S industry classification
Industry- Product category
- Hearing Instrument Components
- NAICS
- Navigational, Measuring, Electromedical, and Control Instruments Manufacturing (3345), Electromedical and Electrotherapeutic Apparatus Manufacturing (334510)
- SIC
- Electronic Components & Accessories (3670)
- akta.pro primary industry
- Microphones & Acoustic MEMS (MEMS Mics/Ultrasonic Transducers) (HDAHALAH)
- akta.pro secondary industries
- Sensors, MEMS & Imaging ICs (HDAHAAAG), Microphones, Headsets & Audio Input Devices (HDACAFAH), Hearing Enhancement / Assistive Listening Audio Devices (CRACANAL)
Keywords
Where Sonion A/S is headquartered
LocationHeadquarters
- HQ city
- Roskilde
- HQ country
- Denmark
- HQ region
- Europe
Offices7 records
Markets served
Sonion A/S business model
Business model- GTM type
- B2B
- Offering type
- Hardware or Manufacturing
- Cost components
- Personnel, Operations, Supply Chain, Technology or R&D, Infrastructure, Marketing or Sales
Revenue model
- Component Sales: Sale of miniature acoustic components including microphones, receivers, RICs, connector systems, coils, and sensors to hearing aid manufacturers and professional audio companies
- Medical Device Sales (Sonion Health): Sale of Sonion Health Band wearable blood pressure monitoring device and Remote Patient Monitoring Platform for hypertension management
- Custom Manufacturing: Custom design and manufacturing services for hearing instrument components, including prototyping and 3D printing capabilities
Pricing tiers
| Model | Billing | Price |
|---|---|---|
| Other | Multi-year contract | B2B enterprise pricing |
Go-to-market motion2 records
Distribution channels3 records
Marketing channels5 records
Sonion A/S product offering
Product offeringCore offering
Sonion designs and manufactures advanced miniature acoustic components and solutions for hearing instruments and professional audio applications. The portfolio includes MEMS and electret microphones, balanced armature receivers (single and dual), receiver-in-canal (RIC) systems, connector systems, coils, micro-mechanical components, and sensors including Voice Pick Up bone conduction sensors. Through its Sonion Health sub-brand, the company also develops wearable biosensing devices and a remote patient monitoring platform for continuous, cuffless blood pressure monitoring.
Product overview
Sonion develops and manufactures advanced miniature components and solutions for hearing instruments and professional audio. The portfolio includes six core product categories: (1) Microphones - MEMS (R-series, Q-series, P-series, O-series) and Electret (5000/5100/6500/8000 series, specialty microphones 6000/6117/6900/6950) for hearing aids; (2) Receivers - Balanced Armature receivers including singles (4100, E21S, E25S, 2600U, 2300, 3100, 3500, 2000) and duals (4400, E40D, E50D, 2800, E90D, G90D, 3300U, 3800U, 3800, 3700), plus Pro Audio receivers (tweeters, woofers, midrange, fullrange, modules); (3) RICs - Steel Series (XS/XM/XP), RIC-4400/50D/90D, and Domes; (4) Connector Systems - CS9X, CS8X, CS43/44/45, CS53/54, CS73/74, and Cable Assemblies; (5) Coils and Micro Mechanicals - NFMI antennas, telecoils (passive/active), sound dampers, volume controls, trimmers; (6) Sensors - vibration sensors, bone conduction vibrators, and Voice Pick Up (VPU) sensors. Sonion Health (sub-brand) offers the Sonion Health Band wearable device with Health-AI and Remote Patient Monitoring Platform for hypertension management.
Differentiator
Problem solved
Functional benefit
Brands
- Sonion Health: A portfolio business of Sonion dedicated to transforming hypertension diagnosis and management through innovative optical biosensing technology and artificial intelligence, allowing for accurate cuffless blood pressure monitoring.
Products and services
- MEMS Microphones Miniature MEMS microphones for hearing aids and audio applications, including the R-series (world's first Dual Backplate MEMS with low noise, low power, ultralow distortion), Q-series (next generation with flat response curve and high tunability), P-series (excellent sound quality with reduced mechanical tolerances), and O-series (Electret performance in MEMS technology). Designed for hearing aid manufacturers.
- Electret Microphones Industry standard electret condenser microphones for hearing instruments including 5000/5100/5100T Tiny Giant series with reduced size and thin versions, 6500/6500T with best-in-class noise performance, 8000 series (2.56mm diameter cylindrical), and specialty microphones (6000/6200, 6117 bi-directional, 6900 dual omni/directional, 6950 superior directionality module).
- Balanced Armature Single Receivers Single balanced armature receivers for hearing aids across all power levels and applications, including the 4100 (world's smallest BA receiver for deep fit, 0.98 x 2.70 x 5.00mm, Flat Motion Technology), E21S/E25S (RIC optimized), 2600U (medium power RIC), 2300 (BTE/ITE all-rounder), 3100/3500 (power RIC/BTE), and 2000 (UltraPower BTE, up to 143 dBSPL). For hearing aid manufacturers.
- Balanced Armature Dual Receivers Dual balanced armature receivers for hearing aids, including 4400 (world's smallest dual BA receiver for ITE), E40D/E50D (medium power ITE), 2800 (power ITE), E90D/G90D (power BTE), 3300U/3800U/3800 (SuperPower/UltraPower BTE with Hummingbird technology), and 3700 (high output dual). For hearing aid manufacturers.
- Pro Audio Receivers Professional audio balanced armature speakers including tweeters, woofers, subwoofers, fullrange, midrange, and modules for earphones and high-end audio performance. Designed for professional audio companies and musicians' in-ear monitors.
- RIC Systems Highest performance fully customized and ready-made RIC (Receiver-in-Canal) solutions including Steel Series (XS/XM/XP) with state-of-the-art receiver housings, ready-made RIC-4400/E50D/E90D systems with CS8 connector systems, and Domes made from silicone or TPE with dual grid solutions. For hearing aid manufacturers.
- Connector Systems Connector System solutions including CS9X (multi-functional RIC plug/socket for in-ear devices and military communication), CS8X (RIC connector for hearing aids), CS43/44/45 plugs and sockets (small mechanical dimensions, SMD available), CS53/54 Flex Adaptors, CS73/74 replaceable snap-in module connectors, and Cable Assemblies (HI-Pro, NOAH link cables).
- Coils and Micro Mechanicals NFMI antennas (Near Field Magnetic Induction for wireless earphones and hearing instruments with high Q-factor), Passive and Active Telecoils (with Nordic Standard compliance), Sound Dampers (ABS with color-identified acoustic resistance), miniature Volume Controls and multi-position Switches, and Trimmers (round/square housing, linear/logarithmic/custom tapers).
- Sensors Highly sensitive Vibration Sensor optimized for speech in hearing aid applications, Bone Conduction Vibrator with dual high mass membranes, and Voice Pick Up (VPU) Sensor with own voice detection and high SNR for clear voice pick-up in extreme conditions. For hearing aid manufacturers and headset/earphone developers.
- Sonion Health Band Wearable device offering continuous, clinically accurate blood pressure monitoring using Laser Doppler Flowmetry (LDF) technology throughout daily activities including sleep. For healthcare providers managing patients with hypertension.
- Health-AI Platform Machine learning algorithms interpreting LDF signals to extract over 90 physiological features (pulse pressure, systolic/diastolic points, reflection timing) for accurate blood pressure measurements enabling hypertension diagnosis and management.
- Remote Patient Monitoring Platform Platform with reporting service enabling seamless integration into clinical workflows, delivering healthcare providers data-driven insights from continuous blood pressure monitoring for better treatment decisions.
Quantifiable outcome
- 50+ million people helped to hear
- +3 more outcomes
Companies that use Sonion A/S
Customer profileNamed customers3 records
Segments3 records
Ideal customer profiles3 records
Sonion A/S technology and API
TechnologyTechnology focussed Yes
API detail
- Has API
- No
- API docs
- API detail
Core technology
AI maturity
App detail
AI capability4 records
Feature8 records
Sonion A/S partnerships and signals
Strategic signalScale indicators10 records
Recent moves9 records
Expansion highlights6 records
Sonion A/S competitors and assessment
Company assessmentDirect peers
- Knowles Corporation: Leading US-based manufacturer of MEMS microphones, balanced armature speakers, and acoustic components for hearing aids and consumer audio. Directly competes with Sonion across MEMS microphone product lines and is the most comparable component supplier in the global hearing instrument supply chain.
- Microsonic GmbH: Germany-based specialist in miniature microphones and acoustic components for hearing instruments. Competes directly with Sonion in electret microphones for hearing aids and shares a similar B2B component model serving major hearing aid manufacturers in Europe.
Broad incumbents
- Sonova AG: Swiss parent of Phonak and Unitron hearing aids, one of Sonion's largest customers. While primarily a finished hearing aid OEM rather than a component peer, Sonova's vertical integration ambitions and scale make it a relevant comparable for understanding downstream demand dynamics.
- Demant A/S: Danish parent of Oticon, Bernafon, and Philips Hearing, another key Sonion customer. Demant's vertical integration of components and 25-year executive presence on Sonion's board (Mikael Worning) make it both a critical customer and a strategic comparable in hearing health.
- GN Hearing A/S: Danish parent of ReSound hearing aids and Jabra audio, a key Sonion customer. The recent hire of Morten P. Toft as Sonion CFO (previously 10-year CFO of GN Hearing) reflects the close industry relationship. Comparable as a major hearing health incumbent with overlapping customer base.
- WS Audiology: Singapore-headquartered hearing aid manufacturer formed from Widex and Sivantos (Signia). One of Sonion's largest customers and a key comparable for global hearing aid volume dynamics and channel strategy.
- Starkey Hearing Technologies: US-based private hearing aid manufacturer and major Sonion customer. Comparable as a global hearing health incumbent; Starkey's focus on AI-enabled hearing aids and direct-to-consumer channels provides insight into product roadmap trends affecting Sonion's components.
Emerging players
- Sennheiser electronic GmbH & Co. KG: German pro-audio and consumer headphone specialist (now with Sonova consumer division acquisition). Comparable in professional audio balanced armature and pro audio receivers, a secondary segment for Sonion alongside its core hearing aid business.
- ams-OSRAM AG: Austrian/German semiconductor and sensor manufacturer with hearing health and optical sensing exposure. Senior VP R&D Verena Vescoli sits on Sonion's board, reflecting technology overlap in MEMS, sensors, and biosensing applications relevant to Sonion Health.
Others
- Withings: French connected health device maker (BPM Core, ScanWatch with blood pressure monitoring). Comparable as a direct competitor in the consumer/clinical-grade cuffless blood pressure monitoring market that Sonion Health is entering with its LDF-based wearable.
Market position
Strengths5 records
Weaknesses5 records
Competitive moat6 records
Key risks5 records
Key highlights6 records
Customer concentration
Sonion A/S social profiles
Digital presenceSonion A/S compliance and trust
Trust signalCompliance3 records
Sonion A/S financial estimates
Financial estimateRevenue estimate
Valuation estimate
Sonion A/S leadership team
Management profileNumber of profiles
Profiles13 records
Sonion A/S subsidiaries and ownership
Company hierarchySubsidiaries7 records
Sonion A/S funding detail
Funding detailFunding overview
Funding rounds
Investors
Funding detail is available on the Subscription and Enterprise plan.Contact sales →
Sonion A/S M&A and investment
M&A and investmentM&A
Investments1 record
M&A and investment is available on the Subscription and Enterprise plan.Contact sales →
Frequently asked questions about Sonion A/S
What does Sonion A/S do?
Sonion designs and manufactures advanced miniature acoustic components and solutions for hearing instruments and professional audio applications. The portfolio includes MEMS and electret microphones, balanced armature receivers (single and dual), receiver-in-canal (RIC) systems, connector systems, coils, micro-mechanical components, and sensors including Voice Pick Up bone conduction sensors. Through its Sonion Health sub-brand, the company also develops wearable biosensing devices and a remote patient monitoring platform for continuous, cuffless blood pressure monitoring.
Is Sonion A/S a public or private company?
Sonion A/S is a private company. It is classified as corporate owned and is currently operating.
When was Sonion A/S founded?
Sonion A/S was founded in 1974. It employs 5,001 to 10,000 people.
Where is Sonion A/S based?
Sonion A/S is headquartered in Roskilde, Denmark, in the Europe region.
How does Sonion A/S make money?
Three revenue lines are on record. Component Sales are the primary driver. The others are medical Device Sales (Sonion Health) and custom Manufacturing.
Who are Sonion A/S's main competitors?
Direct peers on record are Knowles Corporation and Microsonic GmbH. Broad incumbents are Sonova AG, Demant A/S, GN Hearing A/S, WS Audiology and Starkey Hearing Technologies. Emerging players are Sennheiser electronic GmbH & Co. KG and ams-OSRAM AG. Withings is listed as an others.
Does Sonion A/S have an API?
No public API is recorded for Sonion A/S.
What industry is Sonion A/S in?
Sonion A/S's product category is Hearing Instrument Components. 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 3345 and its SIC code is 3670.