DUO ECG + Digital Stethoscope

In stock. Ships in 2-3 days. MPN: #DUO101

$ 349.00


$ 349.00

Eko Platform - Plan Options

Essentials Plan

Record, Save, and Share High Quality Recordings

Pro Plan

AI analysis algorithms for heart murmurs & AFib

Pro Telehealth Plan

AI-powered cardiopulmonary telehealth platform


FDA Cleared

HIPAA Compliant

FSA/HSA Eligible

Free Shipping & Returns

2-Year Warranty

Money Back Guarantee

Product Overview

  • The first combined digital stethoscope + handheld ECG provides unprecedented insight into cardiac function.
  • Removable earpieces support wireless auscultation using the Eko mobile App and headphones with 60x amplification of heart, lung, and body sounds.
  • The single-lead ECG enables clinicians to monitor the heart's electrical activity and screen for arrhythmias.
  • Eko products are FDA cleared and used daily by clinicians at over 4,000 schools, clinics, and hospitals.
  • The free Essentials Plan enables clinicians to visualize, record and save sounds and ECGs for further analysis, or securely share them for a second opinion.
  • Add the Pro Plan to enable Eko AI analysis for heart murmurs and AFib or Pro Telehealth Plan for AI-powered telehealth visits.

Two in One Stethoscope + ECG

The most advanced device of its kind, DUO combines a powerful digital stethoscope and ECG in a single handheld device. A large audio driver and comfortable ear-tips deliver rich heart sounds, while Eko’s patient-friendly software makes it simple to visualize and share sounds and ECGs. DUO can be used by clinicians as their day-to-day stethoscope, or by patients at home for longer-term self-monitoring when prescribed by a physician.

Pair with Eko Software

Unlock the full potential of DUO by pairing with the Eko Platform.

  • Visualize heart sound waveform (phonocardiogram) & ECG (electrocardiogram) tracings in real-time.
  • Capture 15, 30, 60, or 120-second recordings to chronicle a patient’s exam history.
  • Share recordings for a second opinion or referral as easily as sending an email.
  • A single dashboard connects you to multidimensional patient care, exam records, reports and colleagues.
  • Add the Pro Plan to help detect early-stage heart murmurs and AFib with Eko AI analysis algorithms.
  • Add the Pro Telehealth Plan for AI-powered live stream auscultation and ECG with integrated videoconferencing.

Features & Specs

Product Information

  • MPN: DUO101
  • UPC: 863609000327


Digital Stethoscope

  • 60x sound amplification
  • 12 volume settings
  • Digital-only sound mode
  • 20Hz - 2Khz frequency response
  • 4000Hz sample rate
  • 4 selectable audio filters: Diaphragm 100-500Hz, Bell mode 20-200Hz, Midrange 50-500Hz, Extended 20-2000Hz


Single-Lead ECG

  • 2 stainless steel electrodes
  • 0.01Hz high pass filter
  • Selectable 50 / 60Hz mains filter
  • 500 Hz sampling rate


Connection & Storage

  • Threaded 3.5mm jack for headphones or audio cable
  • Bluetooth 4.0 low-energy
  • .WAV and .PDF file formats


Dimensions & Weight

  • 4.7 inches (119mm) L x 1.9 inches (47mm) W x 0.6 inches (16mm) H
  • Length with EARPIECE: 31.5 inches (711.2mm)
  • 7.3 ounces (208 grams)



  • Wireless induction charging
  • Automatic power off after 5 minutes of inactivity
  • Rechargeable lithium-ion battery with 9-hour life



  • 6061 machined aluminum and
  • High-impact ABS thermoplastic
  • Does not contain natural rubber latex or phthalate plasticizers
  • Clean with isopropyl alcohol wipes


Certifications & Licenses 

  • FDA Cleared
  • CE Cleared
  • ISO 13485 Certified
  • MDSAP Certified
  • HIPAA Compliant



Commonly Asked Questions


Who is the Pro Telehealth Plan designed for?


The  Eko Essentials, Pro, Pro Telehealth, and Enterprise Plans are designed for all healthcare professionals. Clinicians use the Eko Platform at 4,000+ hospitals, clinics, and practices.



How do the plans compare & which is best for me?


  • The free Essentials Plan is the gateway to the Eko Platform and a great way for all clinicians to use their stethoscope to maximize insight during every exam.
  • The Pro Plan adds powerful murmur and AFib detection algorithms to your stethoscope. We recommend the Pro Plan for individuals and small clinics that want to digitize their practice and identify early signs of heart disease.
  • Pro Telehealth Plan incorporates a best-in-class telemedicine platform to your practice. Pro Telehealth is built for small clinics and multi-site hospitals to quickly deploy without the overhead of large scale telemedicine platforms.
  • The Enterprise Plan gives clinics and large health systems the flexibility to customize a deployment to best meet their needs.

Eko Platform Overview →


What stethoscopes work with Eko Platform?


All compatible stethoscopes are designed to work with the Eko Pro Platform.

  • CORE Digital Attachment attaches to popular analog stethoscope models and is compatible with the features of the Eko Platform. CORE uses AI analysis algorithms to help for murmurs or structural heart disease.
  • CORE Digital Stethoscope is a fully assembled stethoscope and uses AI analysis algorithms to help for murmurs or structural heart disease.
  • DUO ECG + Digital Stethoscope is compatible with the features of the Eko Platform and uses AI analysis screening for murmurs and AFib.


Can I customize the Eko Platform Plan?


We understand the unique needs of health systems and are happy to learn more so we can create a custom plan. Please contact our sales team to learn about custom implementations.

Schedule Demo →


Eko App Compatibility




Apple iOS

Apple devices with iOS 11 or later.



Most PCs with Windows 10 and above.


Windows does not support wireless listening.



Samsung Galaxy, Google Pixel, and other Android devices 8.0 and up*.


*Compatible Android devices:

Samsung Galaxy Note 10+

Samsung Galaxy Note 9

Samsung Galaxy Note 8

Samsung Galaxy S10

Samsung Galaxy S10+

Samsung Galaxy S9

Samsung Galaxy S9+

Samsung Galaxy S8 

Samsung Galaxy S8+

Samsung Galaxy S7 Edge

Google Pixel 3

Google Pixel 3a

Google Pixel 3 XL

Google Pixel 4

Google Pixel 4 XL

Google Pixel 2

Google Pixel 2 XL

Motorola Moto X4

LG Nexus 5X


Learn more about system requirements & compatibility



Resources & User Manuals

Published Research


Read published clinical research featuring Eko technology in practice.



Case Studies


Discover examples of how Eko is helping health systems address real-world challenges.



Partner Network


Work with our network of resellers, research partners, and solution integrators.





DUO Overview

How Clinicians use the DUO

Using Eko for Telemedicine

How to Auscultate Wirelessly with Eko

Demonstrating Eko AI for Murmur & AFib Screening




DUO User Manual

Eko AI Analysis Software User Manual

Visit our support portal for all technical documentation of the DUO, Eko App, and Dashboard.



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.



1-Year Warranty


Eko expressly warrants that the Eko Products will materially conform to its published specifications and be reasonably free from defects in materials and workmanship for a period of TWO (2) YEARS for the Eko CORE Digital Attachment, Eko CORE Digital Stethoscope and ONE (1) YEAR for the Eko DUO, commencing on the date of delivery of the Eko Product to you (the “Warranty Period”). This Limited Warranty only applies to products which are purchased from Eko and other authorized retailers, resellers, and distributors and used, stored, and handled in the manner recommended by Eko. We may change the availability of this limited warranty at our discretion, but any changes will not be retroactive.



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