The 3M™ Littmann® CORE Digital Stethoscope

  • The 3M™ Littmann® CORE Digital Stethoscope is our most advanced stethoscope yet, with up to 40x amplification (at peak frequency, versus analog mode), active noise cancellation, in-app sound wave visualization and other powerful features designed to help give you a clearer picture of patient health.


Instructional Videos

See how easy it is to use the 3M™ Littmann® CORE Digital Stethoscope


Product Features

Experience our most advanced stethoscope yet

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 It’s more than a stethoscope. It’s a whole new way to listen first.

  • Closeup of auscultating chest
    Up to 40x Amplification

    The outstanding acoustics of our cardiology-grade stethoscope sound even better with up to 40x amplification (at peak frequency, compared to analog mode). Hearing subtle sounds to help you diagnose is now even easier.

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  • Clinician auscultating for lung sounds
    Active Noise Cancellation

    Help cut out distracting noises common to hectic environments with our  active noise cancellation technology. It can help you listen by reducing unwanted outside background noise so you can focus on listening to what’s important: your patient and their body sounds.

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  • Closeup of clinician with stethoscope in ears
    Soft-Sealing Ear Tips

    Our snap tight, soft-sealing ear tips conform to ears to create an excellent acoustic seal while providing a comfortable fit. That means you can listen confidently and comfortably.

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  • Clinician holding 3M Littmann CORE Digital Stethoscope to man’s chest
    Multiple Listening Modes

    With one button, you can quickly toggle between analog and amplified listening modes to suit your needs. Plus, its two tunable diaphragms (adult and pediatric) allow you to listen for both high and low frequency sounds without repositioning the chestpiece.

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  • Clinician auscultating and showing man app on tablet
    Visualization and AI Analysis

    Download the Eko App and pair it with the 3M™ Littmann® CORE Digital Stethoscope, so you can screen like never before. Free features on the Eko App include the ability to see, record and share sounds. AI Murmur Analysis available with subscription.

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  • Clinician auscultating a boy’s chest while looking at phone app
    Designed for Comfort

    With an angled headset that aligns for a proper fit with your ear canals and a chestpiece you can hold the way you want to, the 3M™ Littmann® CORE Digital Stethoscope was designed for comfort during patient assessments.

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  • 3M Littmann CORE Digital Stethoscope connected to Eko software on phone

    See. Record. Share. Analyze.

    Do more than ever before with wireless connectivity. The FDA-cleared 3M™ Littmann® CORE Digital Stethoscope works with Eko software on iOS and Android devices, giving you a HIPAA compliant means to save and annotate 15, 30, 60 or 120-second recordings in a secure dashboard. Create a library of heart sounds to monitor the progression of a disease or for education, or even securely share your recordings with colleagues. Plus, use Eko Artificial Intelligence to aid in the detection of heart murmurs (subscription required).


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3M, Littmann, the L Littmann logo, the L, and Cardiology IV are marks and/or registered marks of 3M. Unauthorized use prohibited. Used under license in Canada. Eko trademarks, including CORE, are marks and/or registered marks of Eko Devices Inc. Bluetooth is registered trademark of Bluetooth SIG. Java is a registered trademark of Oracle.
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