Digital Stethoscopes vs. Traditional Auscultation

Digital Stethoscopes: Are They Replacing Traditional Auscultation?

We are in the ever-evolving landscape of medical diagnostics in which digital stethoscopes are gaining momentum as powerful tools that enhance, rather than replace, traditional auscultation. By combining the trusted acoustic principles of the classic stethoscope with advanced digital technology, these devices offer amplification, sound filtering, recording capabilities, and even AI-driven diagnostics.

In this blog, we compare leading digital stethoscope models—Eko, Thinklabs, and 3M Littmann CORE—and explore whether they are reshaping frontline diagnostics or simply supplementing tried-and-tested tools.

Why the Shift to Digital?

Digital stethoscopes offer multiple benefits over traditional models:

• Amplified sound (up to 40x)

• Background noise cancellation

• Digital recording and Bluetooth connectivity

• Telemedicine integration

• AI-based murmur detection and classification

These features are particularly valuable in noisy environments (ICUs, ambulances), telehealth consultations, or educational settings.

1. Eko DUO and Eko CORE (USA)

Eko DUO combines a digital stethoscope with a single-lead ECG, while Eko CORE is a smart digital attachment that upgrades any analog stethoscope.

• Amplification: Up to 40x

• Features: AI murmur detection, Bluetooth transmission, HIPAA-compliant recording

• Compatible With: Most traditional stethoscopes

• FDA Cleared: Yes (AI algorithms for murmur detection)

• Used In: Telehealth, cardiology, primary care

• Cost: $200–$450 USD

"Eko’s AI algorithm demonstrated 87.6% sensitivity and 87.8% specificity in detecting murmurs." — Circulation: Cardiovascular Quality and Outcomes, 2022

2. Thinklabs One (USA)

Thinklabs One is a compact, high-fidelity digital stethoscope designed for direct headphone output. It is often favored by audiologists and physicians in noisy clinical environments.

• Amplification: Extremely high (20x–100x)

• Features: Customizable sound filtering, headphone use for auscultation, USB recording

• Design: Disk-shaped, no traditional tubing

• Cost: $500–$650 USD

"The Thinklabs One is arguably the most powerful electronic stethoscope in terms of sound clarity and amplification." — Journal of Medical Engineering & Technology, 2023

3. 3M Littmann CORE Digital Stethoscope (USA)

Developed through a partnership between 3M and Eko, the Littmann CORE adds digital features to the iconic Littmann cardiology stethoscope.

• Amplification: Up to 40x

• Features: Dual-mode (analog + digital), noise cancellation, Eko software integration

• FDA Cleared: Yes

• Used In: Clinical practice, teaching hospitals

• Cost: $350–$450 USD

"Combines Littmann’s acoustic legacy with digital precision, ideal for clinicians transitioning to digital auscultation." — MedTech Reviews, 2024

Key Comparison Table

Are Digital Stethoscopes Replacing the Traditional Ones?

Not entirely—but they are becoming the preferred choice in:

• Telemedicine and remote care platforms

• Cardiology and pulmonology for enhanced diagnostics

• Medical education for training and playback

• Emergency medicine for noisy or high-acuity settings

Traditional acoustic stethoscopes still hold their place for simplicity, affordability, and portability. However, as digital literacy and infrastructure grow, digital models are increasingly favored for their versatility and clinical value.

Conclusion

Digital stethoscopes are not a passing trend—they’re the next evolution in auscultation. With leading models like Eko, Thinklabs, and Littmann CORE offering advanced sound analysis, AI diagnostics, and seamless telehealth compatibility, clinicians now have tools that amplify both sound and diagnostic confidence.

Whether you're a frontline medic, cardiologist, or medical student, investing in a digital stethoscope could significantly enhance your diagnostic toolkit in 2025 and beyond.

Sources:

• Circulation: Cardiovascular Quality and Outcomes, 2022

• Journal of Medical Engineering & Technology, 2023

• MedTech Reviews, 2024

• FDA 510(k) Device Database

• Eko and Thinklabs product documentation

Have you used a digital stethoscope? Which one? Please share your experience below