Thanks to a proprietary technological advancement known as Ambient Noise Reduction (ANR), the Littmann Electronic Stethoscope Model 3000 reduces distracting room noise by an average of 75% (-12dB) without eliminating critical body sounds.

Acoustics:

• Amplification up to 18 times greater than the best non-electronic stethoscopes


• Ambient Noise Reduction Technology (ANR)


• Programmable volume settings


• Ergonomic, one-button control allows you to adjust volume and frequency mode with one finger
  
  Chestpiece & Diaphragm:
  
• Ergonomically designed for easy, one-hand manipulation
• Nonchill diaphragm for patient comfort