Learn more about the 3M™ Littmann CORE® Digital Stethoscope.

Get quick access to features & specs, user manuals, and answers to commonly asked questions.

Product Description

Take Listening to a Whole New Level

The FDA-cleared 3M Littmann CORE Stethoscope toggles between analog and amplified listening modes so you can listen how you want to during assessments. Tunable diaphragm technology—a 3M invention—lets you hear different frequency sounds by simply adjusting the pressure on the chestpiece. Hold the chestpiece with light pressure on the patient to hear low frequency sounds; press a little more to hear higher frequency sounds. Soft-sealing ear tips conform to individual ears for optimal comfort and excellent sound occlusion.

Elevate detection capabilities further. Eko helps you turn auscultation into a comprehensive system for early detection, monitoring, and enhanced telemedicine. Listen the way you want, using your stethoscope or the wireless device of your choice. Deepen your examination with advanced sound controls, real-time visualizations, and automated disease detection* from your smartphone or tablet. Save and share unlimited recordings on a unified dashboard to chronicle a patient’s history or monitor disease progression. Initiate remote auscultation for telemedicine exams over a dedicated HIPAA-compliant and encrypted live stream with just a few clicks.

The 3M Littmann CORE Digital Stethoscope is pre-assembled with a CORE Digital Attachment and a 3M Littmann Cardiology IV Stethoscope.

*40X amplification based on comparison of analog versus electronically assisted amplified listening with maximum volume at the peak frequency (125 Hz). Smart device not included. Subscription may be required.

3M™ Littmann® CORE Digital Stethoscope Overview

  • Cardiology-grade stethoscope that toggles between analog and amplified listening modes.
  • Up to 40x sound amplification* and active noise cancellation eliminates distracting background noise and makes listening easier, especially in challenging cases.
  • Soft-sealing ear tips provide an excellent acoustic seal and comfortable fit.
  • Tunable, dual-sided stainless steel chestpiece with open or closed bell designed for use with adult and pediatric patients.
  • Pairs easily with your mobile device for wireless listening and telehealth exams.
  • FDA-cleared, HIPAA-compliant, encrypted and SOC 2 compliant.
  • Automated detection software helps you identify signs of disease faster (subscription may be required).
Features & Specs

Product Information

  • Black:
    MPN: 8483
    UPC: 00707387792350
  • High Polish Rainbow
    MPN: 8574
    UPC: 00707387793685

Product Features

  • Up to 40x amplification
  • Analog and amplified listening modes
  • Active noise cancellation
  • Snap tight, soft-sealing eartips
  • Adult and pediatric diaphragms
  • Telehealth ready
  • FDA-cleared and HIPAA-compliant
  • One-tap pairing with Eko Software:
    Wireless listening
    Advanced audio controls
    Visualize stethoscope sounds (PCG)
    Automated disease detection

Connection & Storage

  • Bluetooth 4.2 low-energy
  • .WAV and .PDF file formats

Dimensions & Weight

  • 27 inches (69 cm) L
  • 8.1 ounces (232 grams)
  • Chestpiece size: 1.3 inches (3.3 cm), 1.7 inches (4.3 cm)
  • Chestpiece weight: 3.1 ounces (87 grams)
  • Diaphragm diameter: 1.7 inches (4.3cm), 1.3 inches (3.3 cm)


  • Easy on/off toggle
  • Micro-USB charging
  • Rechargeable lithium-ion battery with 8-hour life

Construction & Materials

  • Binaural construction: Double Lumen
  • Chestpiece technology: Double sided
  • Diaphragm material: Epoxy/Fiberglass
  • Diaphragm shape: Round
  • Diaphragm type: Tunable, single-piece
  • Eartip type: Soft sealing, extra eartips
  • Headset material: Wide diameter aerospace alloy / Anodized aluminum
  • Color: Black headset and chestpiece finish
  • Does not contain natural rubber latex or phthalate plasticizers
  • Clean with isopropyl alcohol wipes

Certifications & Licenses

  • FDA Cleared
  • HIPAA Compliant
Frequently Asked Questions
What is the 3M™ Littmann® CORE Digital Stethoscope?
What’s the difference between the 3M™ Littmann® CORE Digital Stethoscope and the Eko CORE Digital Attachment?
Does this stethoscope work for Bluetooth or wireless auscultation?
Who is this stethoscope designed for?
Does Eko help with hearing loss?
Does this stethoscope work in pediatrics?
Are Eko and 3M Littmann® stethoscopes FDA cleared?
Is the 3M™ Littmann® CORE Digital Stethoscope compatible with the Eko App & Platform?
What is Eko AI analysis?
Can Eko be used for telemedicine, virtual, or home care?
How do the free trials of Eko AI and Telehealth work?
What is the warranty and return policy for the 3M™ Littmann® CORE Digital Stethoscope?
Resources & User Manuals

Returns Policy

30-Day Money Back Guarantee: If you are unsatisfied with the Product(s) you purchased, you may return the Product within 30 days of receiving it with free return shipping. Read full policy →

2-Year Warranty

The Littmann® CORE Digital Stethoscope is backed by a 2-year warranty period. The day you bought your Littmann stethoscope establishes its warranty start date. This date can be verified on your original purchase receipt. If you do not have your receipt, Littmann will use the date it was manufactured as the warranty start date.

If a material or manufacturing defect occurs during the warranty period, Littmann will repair your Littmann stethoscope free of charge, upon return of the instrument to 3M, except in cases of obvious abuse or accidental damage. To file a warranty request for the Littmann® CORE Digital Stethoscope, visit the 3M™ Littmann® Stethoscope Repair Services site here.  

Has the warranty expired? No worries. Littmann offers affordable Littmann stethoscope repairs that include replacing the tubing, ear tubes, diaphragm, rim, non-chill sleeves and eartips. Click here to find out where to buy replacement parts. Read full policy →


Stethoscope Compatibility

  • The 3M Littmann CORE Digital Stethoscope is a fully assembled stethoscope.
  • When paired with the Eko App it provides wireless functionality utilizing Bluetooth 4.2 low-energy to headphones, hearing aids, and other BTE speakers.

Eko App Compatibility

  • Apple iOS - Apple devices with iOS 11 or later.
  • Android - Samsung Galaxy, Google Pixel, and other Android devices 8.0.
  • Windows - Most PCs with Windows 10 and above. Windows does not support wireless functionality.
Contact Us
Our team is here to support you.
By Phone
Call or text us weekdays between 8-5 pm PST. Please do not include any Protected Health Information (PHI).
+ 1 (844) 356-3384
Support & Resources
Get user manuals and answers to commonly asked questions in the Support Portal.
Support Portal →
Chat Live
Chat with a specialist about which Eko product is best for you weekdays 8-5 pm PST. Please do not include any Protected Health Information (PHI).
Eko Demo
Schedule time with an expert to learn how Eko supports practices of all sizes in an interactive demo.
Schedule Demo →