Here is the exhaustive list of ALL Littmann Stethoscopes. I have been using their products for about two years now and I have to say that they are the best in stock. Get any one of these based on your level of study or current specialty. All information is from the 3M website.

#1

3M Littmann Electronic Stethoscope Model 4100WS with Ambient Noise Reduction

3M Littmann Electronic Stethoscope Model 4100WS with Ambient Noise Reduction

Product description:

• Amplification is up to 18 times greater than the best non-electronic stethoscopes.
• Ambient Noise Reduction (ANR) technology.
• Filter circuitry provides three frequency response modes for listening to heart, lung, and other body sounds: Bell (20-200 Hz), Diaphragm (100-500 Hz), and Extended Range (20-1000 Hz).
• Digital recording and storage of sounds on six distinct tracks.
• Infrared transmission of recorded sounds to another Model 4100, Model 4000 or IBM-compatible PC or hand-held device.
• LCD display in chestpiece, including heart rate readout.
• Recording and playback capability at normal and half-speed.
• Sound Analysis Software for PC or Pocket PC allowing a phonocardiogram visual display.
• 20 hours of continuous use from two AAA alkaline batteries.
• Excellent acoustic seal and comfortable fit with patented 3M™ Littmann® Snap Tight Soft-Sealing Eartips.
• Comfortably angled, anatomically correct headset.
• Patient-friendly, nonchill rim.
• Chestpiece sized for adult or pediatric patients.

RATING: 10/10

#2

3M Littmann Electronic Stethoscope Model 3000 with Ambient Noise Reduction

3M Littmann Electronic Stethoscope Model 3000 with Ambient Noise Reduction

Product description:

• Amplification is up to 18 times greater than the best non-electronic stethoscopes.
• Ambient Noise Reduction (ANR) technology.
• Ergonomic, one-button control allows you to adjust volume and frequency mode with one finger.
• Traditional cardiology tube set allows scope to easily fold and be placed in pocket.
• Single AAA battery provides up to 200 hours (approximately 6 months) of use.
• Programmable volume settings.
• Versatile chestpiece can accommodate infant, pediatric and adult patients.
• Nonchill diaphragm for patient comfort.
• Patent-pending low friction diaphragm surface.
• Excellent acoustic seal and comfortable fit with patented 3M™ Littmann® Snap Tight Soft-Sealing Eartips.
• Automatic power shut-down after 3 minutes from last button activation.
• Available in multiple colors.

RATING: 10/10

#3

3M Littmann Master Cardiology Stethoscope

Product description:

3M Littmann Master Cardiology Stethoscope

• Tunable diaphragm allows the user to conveniently alternate between the low- and high-frequency sounds without turning over the chestpiece.
• Handcrafted solid stainless steel chestpiece.
• Dual-lumen design eliminates tube noise artifact from two tubes rubbing together.
• Portable convenience of a single-sided chestpiece.
• Excellent acoustic seal and comfortable fit with patented 3M™ Littmann® Snap Tight Soft-Sealing Eartips.
• Comfortably angled, anatomically correct headset.
• Patient-friendly, nonchill rim and diaphragm. Special procedures adaptor for difficult site or pediatric auscultation.
• Available in a selection of classic tube colors.

RATING: 10/10

#4

3M Littmann Cardiology S.T.C. Stethoscope

3M Littmann Cardiology S.T.C. Stethoscope

Product description:

• Attractive chestpiece is easy to grasp in multiple hand positions.
• Provides outstanding acoustics.
• Single-sided chestpiece provides both bell and diaphragm frequency responses.
• Dual-lumen design eliminates tube noise artifact from two tubes rubbing together.
• Excellent acoustic seal and comfortable fit with patented 3M™ Littmann® Snap Tight Soft-Sealing Eartips.
• Comfortably angled, anatomically correct headset.
• Patient-friendly, nonchill rim.

RATING: 9/10

#5

3M Littmann Cardiology III Stethoscope

3M Littmann Cardiology III Stethoscope

Product description:

• Two tunable diaphragms allow the user to conveniently alternate between the low- and high-frequency sounds without turning over the chestpiece.
• Solid stainless steel chestpiece for outstanding acoustics.
• Dual-lumen design eliminates tube noise artifact from two tubes rubbing together.
• Excellent acoustic seal and comfortable fit with patented 3M™ Littmann® Snap Tight Soft-Sealing Eartips.
• Comfortably angled, anatomically correct headset.
• Patient-friendly, nonchill rim and diaphragm.
• Available in a selection of classic tube colors.

RATING: 9/10

#6

3M Littmann Master Classic II Stethoscope

3M Littmann Master Classic II Stethoscope

Product description:

• A tunable diaphragm conveniently alternates between the low- and high-frequency sounds without turning over the chestpiece.
• Portable convenience of single-sided chestpiece.
• High-performance single-lumen tubing for excellent acoustic performance in a range of attractive colors.
• Award-winning, ergonomic design.
• Excellent acoustic seal and comfortable fit with patented 3M™ Littmann® Snap Tight Soft-Sealing Eartips.
• Comfortably angled, anatomically correct headset.
• Patient-friendly, nonchill rim and diaphragm.

RATING: 8/10

#7

3M Littmann Classic II S.E. Stethoscope

3M Littmann Classic II S.E. Stethoscope

Product description:

• Traditional bell combined with a tunable diaphragm that allows the user to conveniently alternate between low- and high-frequency sounds without turning over the chestpiece.
• Excellent acoustic seal and comfortable fit with patented 3M™ Littmann® Snap Tight Soft-Sealing Eartips.
• Comfortably angled, anatomically correct headset.
• Patient-friendly, nonchill rim and diaphragm.
• Single-lumen tubing is available in a variety of popular colors.

RATING: 7/10

#8

3M Littmann Classic II Pediatric Stethoscope

3M Littmann Classic II Pediatric Stethoscope

Product description:

• One-inch traditional bell (pediatric) and 3/4 inch bell (infant) combined with a floating diaphragm.
• Stainless steel chestpiece.
• Excellent acoustic seal and comfortable fit with patented 3M™ Littmann® Snap Tight Soft-Sealing Eartips.
• Comfortably angled, anatomically correct headset.
• Single-lumen tubing is available in attractive colors.

RATING: 7/10

#8

3M Littmann Classic II Infant Stethoscope

3M Littmann Classic II Infant Stethoscope

Product description:

• One-inch traditional bell (pediatric) and 3/4 inch bell (infant) combined with a floating diaphragm.
• Stainless steel chestpiece.
• Excellent acoustic seal and comfortable fit with patented 3M™ Littmann® Snap Tight Soft-Sealing Eartips.
• Comfortably angled, anatomically correct headset.
• Single-lumen tubing is available in attractive colors.

RATING: 7/10

#9

3M Littmann Select Stethoscope

3M Littmann Select Stethoscope

Product description:

• A tunable diaphragm that allows the user to alternate between bell and diaphragm modes without turning over the chestpiece.
• Portable convenience of a single-sided chestpiece.
• Comfortably angled, anatomically correct headset.
• Single-lumen tubing is available in a variety of colors.

RATING: 6/10

All information taken from the 3M website