Eko DUO ECG + Digital Stethoscope

Eko DUO ECG + Digital Stethoscope

Brand/Manufacturer: Eko
  • FSA Approved

Eko DUO ECG Digital Stethoscope is intended for clinical use. In a single handheld gadget, it combines an effective digital stethoscope and an ECG. Because DUO has a big audio driver and comfy eartips that transmit incredibly rich heart, lung, and body sounds, clinicians use it as their daily stethoscope. Eko's clinician-friendly mobile software sends the data that DUO captures wirelessly to a smartphone or tablet for auditory and visual analysis.

What does Eko Duo ECG Digital Stethoscope Includes?

  • (1) Eko Duo
  • (1) Wireless Touch Charging Pad
  • (1) 5w / 2a Usb Power Adapter
  • (1) Micro USB To USB Cable
  • (1) Eko Earpiece
  • (6) Silicone Rubber Eartips
  • (1) Getting Started Instruction Card
  • Downloadable App for Android, iOS, Windows

Item # Desc Pkg Price
DUO101 ECG + Digital Stethoscope with Earpieces Each

Features of Eko DUO Digital ECG Stethoscope

  • 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
  • Power:
    • Wireless induction charging
    • Automatic power off after 5 minutes of inactivity
    • Rechargeable lithium-ion battery with 9-hour life
  • Materials:
    • 6061 machined aluminum and
    • High-impact ABS thermoplastic
    • Does not contain natural rubber latex or phthalate plasticizers
  • Connection & Storage:
    • Threaded 3.5mm jack for headphones or audio cable
    • Bluetooth 4.0 low-energy
    • .WAV and .PDF file formats

When to use Eko DUO Stethoscope?

  • The device can be used on adults and pediatrics
  • The Eko DUO System is intended to be used by healthcare professionals to electronically amplify, filter, and transfer body sounds and single-channel electrocardiogram (ECG) waveforms
  • It can be used to record heart sounds and cardiac murmurs, bruits, respiratory sounds, and abdominal sounds during physical examination in normal patients or those with suspected diseases of the cardiac, vascular, pulmonary, or abdominal organ systems
  • The Eko DUO System also displays ECG waveforms and phonocardiogram waveforms on the accompanying mobile application for storage and sharing (when prescribed or used under the care of a physician)
  • The data offered by the device is only significant when used in conjunction with physician over read as well as consideration of other relevant patient data
  • The device should not be used on infants weighing less than 10kg

What to buy with Eko Stethoscope

How to use DUO ECG + Digital Stethoscope with Earpieces?

1. Eko DUO Setup:

Install included Earpiece by plugging the audio jack into the 3.5mm audio port at the base of DUO and tightening the threads

2. Charging DUO101:

Eko DUO Charging Instructions

  • To charge DUO, place the device on the Wireless Touch Charging Pad
  • Connect the charging pad to a power source using the included USB charging cable and power adapter
  • The LED light ring on DUO will begin to flash to signal the charging status
  • All of the LEDs in the ring will light up when the device is fully charged
  • DUO should be periodically recharged even when in storage
  • Lithium ion batteries slowly lose charge when in storage and may fall to an unacceptably low level, damaging the battery
    Note: DUO will not operate or connect to the Eko App while charging


3. Eko DUO Device Charging Interface:

Eko DUO Stethoscope

1. The device is OFF. All functions of the device are disabled.

Eko DUO101 Stethoscope

2. The device is ON but not paired. Active LED blnks every 1.5 seconds. The device is discoverable and ready to connect via Bluetooth.


3. The device is ON and paired with a phone/tablet. Active LED is lit and solid. The device is streaming live audio and ECG to the paired device

Eko Duo Device

4. The device is ON. The filter change is indicated by the active LED in the LED ring rotating to a new position.

Eko DUO Stethoscope with Earpiece

5. The device is ON and has low battery. The red warning LED turns on. Device functions normally.

DUO Stechoscope Device

6. The device is ON and its battery level is below 10%. The LED flashes rapidly for 4 seconds, then turns off. The device will no longer stream or playback audio or ECG.

DUO Stethoscope

7. The device is OFF and is charging.

Eko DUO Electronic Stethoscope

8. The device is OFF and fully charged.

4. Eko DUO ECG Plus Digital Stethoscope Uses:

DUO can be used in various locations and orientations of the chest. Each position will produce a unique heart sound and ECG tracing.

  • PCG:
    • Capture sounds by placing DUO anywhere on the body
    • For best audio, press the device firmly against the skin to ensure good contact
  • ECG:
    • Capture ECG by placing and orienting DUO on the chest
    • The optimal position to capture ECG data is at an inward-facing 45° angle at the upper left pectoral below the clavicle
    • If the patient has particularly dry skin, body fat or hair, the conductive gel used with other ECG systems may be used to improve the quality of the data
Instructions to use Eko DUO

5. Eko DUO-101 Operating Conditions:

  • Environmental: The operating range of the Core is 10° to 40°C (50 to 113°F), and 10% to 95% relative humidity. The storage and transport range is -10° to 60° and 10% to 95% relative humidity. Acceptable pressure is 1 atm.
    It is recommended to avoid exposure to extreme heat, cold, solvents and oils. Extreme heats and colds will negatively affect the lithium ion battery in the device, and may affect battery life.
  • Operating Warnings: Failure to follow care and maintenance recommendations could result in damage to the internal components of the device. Internal damage to the product could cause malfunction of the product, possibly leading to complete loss of function. If problems are encountered with the device, do not attempt to repair it.

Eko Duo ECG & Digital Stethoscope User Manual

Eko DUO Digital Stethoscope FAQ

What are the electrodes made of?

The ECG electrodes are made of stainless steel. They are designed to work without any gel or cream, however gels or creams can improve the signal quality in some situations.

How do Eko Pro and Pro Telehealth plans work?

Both the Pro and Pro Telehealth plans are available for subscription. Checkout with just a subscription or purchase a stethoscope & subscription bundle. All stethoscopes come with the free Essentials plan. All paid plans come with a risk free 30-day trial plans that can be canceled at any time.

How does the DUO work for Bluetooth or Wireless Auscultation?

The DUO provides wireless functionality utilizing Bluetooth technology. DUO supports wireless auscultation using the Eko App and headphones, Bluetooth-enabled hearing aids, or other devices. Alternatively, DUO is fitted with a 3.5mm audio jack, so it can directly connected to headphones or other streaming devices.

What is the Eko DUO ECG + Digital Stethoscope?

The DUO is a combined digital stethoscope and single-lead ECG. Its earpieces screw on and off so it can be used like a traditional stethoscope or without earpieces for telemedicine workflows or ECG screening. DUO can be used only as a digital stethoscope, only as an ECG, or both at the same time.

What stethoscopes work with Eko Platform?

Compatible stethoscopes:

  • Eko CORE Digital Attachment
  • Eko CORE Digital Stethoscope
  • 3M Littmann CORE Digital Stethoscope
  • DUO ECG + Digital Stethoscope

DUO101 ECG + Digital Stethoscope User Manual

Eko DUO ECG + Digital Stethoscope Specifications

Particulars Dimensions
Length 4.7 inches (119mm)
Width 1.9 inches (47mm)
Height 0.6 inches (16mm)
Length with Earpiece 31.5 inches (711.2mm)
Weight 7.3 ounces (208 grams)
Volume Setting 12
Sound Amplification 60x
Frequency Response 20 Hz - 2 Khz
Sound Mode Digital
Sample Rate 4000 Hz
Diaphragm 100 Hz - 500 Hz
Audio Filters 4 Selectable
Bell 20 Hz - 200 Hz
Extended 20 Hz - 2000 Hz
Midrange 50 Hz - 500 Hz
Single Lead 2 Stainless Steel Electrodes
Sampling Rate 500 Hz
Mains Filter Selectable 50/60 Hz
High Pass Filter 0.01 Hz
Storage and Connection
Bluetooth 4.0 Low-Energy
Audio Jack 3.5 mm Threaded
Construction Materials
External Casing 6061 Machined Aluminum/High-Impact ABS Thermoplastic
Latex-Free Yes
Phthalate Plasticizers No
Certifications and Licenses
CE Cleared Yes
FDA Cleared Yes
MDSAP Certified Yes
ISO 13485 Certified Yes
HIPAA Compliant Yes


Eko guarantees its products from manufacturer defects within 1 year. Please note that this guarantee does not cover normal wear and tear.

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