Thinklabs

What Thinklabs does

Thinklabs Medical LLC is a privately held medical device company founded in 1991 by Caltech electrical engineer Clive Smith and headquartered in Centennial, Colorado. The company designs and manufactures digital stethoscopes built around a proprietary Electromagnetic Diaphragm transducer that detects diaphragm vibration via a high-intensity electric field and converts acoustic pressure changes into an electrical signal, preserving authentic stethoscope acoustics while enabling electronic amplification, frequency filtering, and digital output. Its flagship product, the Thinklabs One Digital Stethoscope (launched 2011), offers 100x audio amplification, five precision frequency filters, a rechargeable battery with 100-120 patient capacity per charge, and connectivity to headphones, hearing aids, USB audio adapters, and major telemedicine platforms. The legacy ds32a line was discontinued in November 2019, though spare parts remain available.

The company's product portfolio centers on the Thinklabs One hardware, supplemented by accessories (Y One headset, Thinklink Mobile Kit, proprietary earbuds, USB audio adapters, chargers, carrying cases), bundled solutions (a $558 Telemedicine Kit), and software (the free Thinklabs Wave iOS app for recording and spectrogram analysis, plus integration with the eMurmur App). All diagnostic products are FDA 510(k) cleared as Class II devices since 2004. Thinklabs sells exclusively direct-to-consumer through its own e-commerce storefront (store.thinklabs.com) and ships internationally to 50+ countries across 7 continents, with targeted exclusions. Revenue is generated through one-time hardware purchases ($499 base unit, with accessories ranging from $9.99 to $65) and a $98 service and repair offering; there is no disclosed recurring software or subscription revenue stream.

Thinklabs targets primary care physicians, specialists (cardiology, pulmonology), nurses, medical students and educators, telemedicine practitioners, veterinarians, hard-of-hearing clinicians, and AI/research customers. The company remains bootstrapped with 1-10 employees, no external institutional funding, and a founder-led operating model. Customer acquisition relies on direct website sales, a YouTube-hosted heart and lung sound library, social media presence, and a small business development function, with student pricing and PayPal financing available to expand accessibility. The company is listed among top players in the intelligent/smart stethoscope market projected to grow from $1.5B to $3.8B at a 10.5% CAGR through 2030.

Name

Thinklabs

Legal name

Thinklabs Medical LLC

Website

https://thinklabs.com

Company type

Private

Founded year

1991

Operating status

Operating

Headcount range

1–10 employees

Short description

Thinklabs Medical LLC, founded in 1991 and based in Centennial, Colorado, designs and sells FDA-cleared digital stethoscopes using proprietary Electromagnetic Diaphragm technology, serving clinicians, students, telemedicine practitioners, veterinarians, and AI researchers across 50+ countries via direct-to-consumer online sales.

Ownership category

akta.pro rank

Product category

Digital Stethoscopes

NAICS

Electromedical and Electrotherapeutic Apparatus Manufacturing (334510)

SIC

Electromedical & Electrotherapeutic Apparatus (3845)

akta.pro primary industry

Connected Medical Devices & Wearables (Sensors, Patches, Implantables) (HLACAPAB)

Keywords

• Digital stethoscopes
• Medical diagnostic devices
• Electronic auscultation equipment
• Telemedicine stethoscope systems
• Clinical audio amplification

Headquarters

HQ city

Centennial

HQ country

United States

HQ region

North America

Offices1 record

Markets served

GTM type

B2B

Offering type

Hardware or Manufacturing

Cost components

Technology or R&D, Supply Chain, Operations, Personnel, Marketing or Sales, Infrastructure

Revenue model

1. Digital Stethoscope Hardware Sales: One-time purchase of Thinklabs One digital stethoscope at $499. The device is a reusable medical instrument with rechargeable battery, eliminating ongoing consumable costs.
2. Accessories and Replacement Parts: Sale of accessories including earbuds, chargers, cables, carrying cases, and replacement parts. Products range from $9.99 (spare diaphragms) to $65 (earbud headphones).
3. Service and Repair: Stethoscope service and repair offered at $98. Y headset service also available. Includes evaluation and restoration.
4. Telemedicine Kit Bundles: Pre-configured telemedicine kits combining stethoscope with necessary connectivity accessories at $558, available in multiple colors.

Pricing tiers

Go-to-market motion1 record

Distribution channels3 records

Marketing channels7 records

Core offering

Thinklabs designs, manufactures, and sells the Thinklabs One Digital Stethoscope, an electronic stethoscope that uses proprietary Electromagnetic Diaphragm technology to deliver 100x audio amplification, five frequency filters, and digital connectivity for clinical auscultation and telemedicine. The portfolio includes the flagship stethoscope, the Y One headset accessory, earbuds, USB audio adapters, the Thinklink Mobile Kit, a bundled Telemedicine Kit, and the free Thinklabs Wave mobile app for recording, sharing, and analyzing auscultation sounds.

Product overview

Thinklabs is a medical device company specializing in digital stethoscopes, founded in 1991 by Clive Smith (Caltech Electrical Engineering graduate). The company's flagship product is the Thinklabs One Digital Stethoscope, a revolutionary device that eliminated the traditional hollow tube design in favor of an electronic form factor with 100x audio amplification and precision frequency filtering. The product portfolio centers on the Thinklabs One (current flagship) and the legacy ds32a series, supported by accessories including the Y One headset adapter, Thinklink Mobile Kit, proprietary earbuds, USB audio adapters, and charging solutions. Software offerings include the free Thinklabs Wave mobile app for sound recording/analysis and the eMurmur App integration. The company also offers bundled Telemedicine Kits combining hardware and accessories for telehealth applications. All products utilize Thinklabs' proprietary Electromagnetic Diaphragm technology and have been FDA cleared as Class II diagnostic devices since 2004.

Differentiator

Problem solved

Functional benefit

Products and services

• Thinklabs One Digital Stethoscope Flagship electronic stethoscope using proprietary Electromagnetic Diaphragm technology with 100x audio amplification, 5 precision frequency filters, rechargeable battery (100-120 patients per charge), and connectivity via USB, Bluetooth transmitter, or 3.5mm audio cable. FDA 510(k) cleared Class II diagnostic device. Priced at $499 USD.
• Y One Stethoscope Headset Accessory headset that transforms the Thinklabs One into the traditional stethoscope form factor while providing enhanced bass for auscultation, single-cable connection to computers, smartphones, and tablets, and combined stethoscope and voice communications for telemedicine.
• Thinklink Mobile Kit Mobile connectivity accessory kit enabling connection between the Thinklabs One digital stethoscope and mobile devices for telemedicine applications and mobile auscultation recording.
• Telemedicine Kit Complete bundled telemedicine solution including the Thinklabs One digital stethoscope, USB audio adapter, audio splitter cable, earbuds, and carrying case. Available in Silver, Blue, and Black. Priced at $558 USD.
• Thinklabs Earbud Headphones (Deep Bass) Proprietary earbud headphones optimized for auscultation with enhanced bass response for clearer heart and body sounds. Includes small, medium, and large ear tips.
• Telemedicine Accessories Kit USB audio adapter and splitter combination for telemedicine and telehealth setup, priced at $59 USD, enabling the Thinklabs One to interface with computers and conferencing platforms.
• Thinklabs Wave App Free iOS mobile application for recording, playback, editing, annotation, and sharing of auscultation sounds. Includes Body View for anatomical sound location mapping, spectrogram visualization, and cloud-based sound library access.
• eMurmur App Integration Auscultation application integrated with Thinklabs One for enhanced clinical diagnostics, including heart sound analysis capabilities for clinicians.
• Stethoscope Service and Repair Factory service and repair for Thinklabs digital stethoscopes, including evaluation and restoration. Standard stethoscope service priced at $98 USD.
• Thinklabs ds32a/ds32a+ Digital Stethoscope (Legacy) Previous-generation digital stethoscope model with traditional stethoscope form factor, using Electromagnetic Diaphragm technology for enhanced audio quality. Discontinued as of November 2019, with spare parts still available.

Quantifiable outcome

• 100x audio amplification compared to conventional stethoscopes
• +3 more outcomes

Named customers2 records

Segments8 records

Ideal customer profiles5 records

Technology focussed Yes

API detail

Has API

No

API docs

API detail

Core technology

AI maturity

App detail

Integration12 records

AI capability2 records

Feature7 records

Partnerships

One partnership is on record.

• Intelligent Stethoscope Market (Verified Market Reports)minorOthersThinklabs Medical LLC is listed among top companies in the Intelligent Stethoscope (Smart Stethoscopes) Market analysis by Verified Market Reports, which projects market growth from USD 1.5 billion to USD 3.8 billion at 10.5% CAGR.

Scale indicators4 records

Recent moves6 records

Expansion highlights5 records

Direct peers

• Eko Health: Eko is the leading venture-backed digital stethoscope company, offering the CORE and DUO stethoscopes with embedded AI for cardiac and pulmonary analysis, plus telehealth and EHR integrations. It competes head-to-head with Thinklabs One on amplification, filtering, and telemedicine capability, but layers AI-driven software on top.

Broad incumbents

• 3M Littmann: Littmann is the dominant premium stethoscope brand globally and has entered the digital category with the CORE Digital Stethoscope. Thinklabs competes for the same clinician buyer but lacks Littmann's distribution scale, brand equity, and color/model breadth across acoustic devices.
• Welch Allyn (Hillrom / Baxter): Welch Allyn, now part of Baxter via Hillrom, manufactures diagnostic instruments including electronic stethoscopes used in clinical settings. It overlaps with Thinklabs on hospital/clinical auscultation but is a much broader patient-monitoring portfolio company rather than a stethoscope specialist.
• Cardionics (3B Scientific): Cardionics, now part of 3B Scientific, is a long-established auscultation brand spanning digital stethoscopes and simulation/training products. It overlaps with Thinklabs on digital auscultation hardware and shares the medical-education customer segment that Thinklabs also targets.

Emerging players

• StethoMe: StethoMe is a Poland-based AI stethoscope company focused on home and pediatric pulmonary screening. It targets similar auscultation use cases and AI-driven sound analysis as Thinklabs' research/AI segment but with a different commercial model (home use, smartphone-based).
• HD Medical Group: HD Medical produces FDA-cleared intelligent digital stethoscopes with embedded cardiac murmur and arrhythmia detection. It competes with Thinklabs on amplified, filtered digital auscultation but adds on-device AI screening — a software capability Thinklabs does not natively offer.
• Rijuven: Rijuven develops digital auscultation and cardiac screening devices aimed at primary care and pediatrics — segments where Thinklabs is also active. The overlap is in connected electronic stethoscopes, though Rijuven emphasizes screening workflow integration rather than raw audio fidelity.

Others

• A&D Medical: A&D Medical is a broader connected-health device manufacturer (blood pressure monitors, etc.). It is adjacent rather than directly competitive, but operates in the same clinician-facing connected-device category and shares distribution channels relevant to Thinklabs' institutional ambitions.

Market position

Strengths4 records

Weaknesses4 records

Competitive moat5 records

Key risks6 records

Key highlights6 records

Customer concentration

• Xx.com/thinklabs_
• YouTubeyoutube.com/channel/UCzEbKuIze4AI1523_AWiK4w
• Facebookfacebook.com/stethoscopes
• LinkedInlinkedin.com/company/3599759
• Instagraminstagram.com/thinklabsmedical/?hl=en

Compliance1 record

Revenue estimate

Valuation estimate

Number of profiles

Profiles2 records

Funding overview

Funding rounds

Investors

Funding detail is available on the Subscription and Enterprise plan.Contact sales →

M&A

Investments

M&A and investment is available on the Subscription and Enterprise plan.Contact sales →

Frequently asked questions about Thinklabs