The technologically
advanced Littmann Electronic Stethoscope Model 4000 offers amplification
up to eighteen times greater than the best conventional Littmann stethoscope.
Superior acoustics are combined with digital signal processing offering
recording, storage and playback capabilities. Plus, sounds can be
downloaded to an IBM-compatible computer, stored, shared or retrieved
for further analysis.
Eighteen times the amplification (25 dB) of the most
advanced conventional Littmann stethoscope makes difficult sounds
easier to hear.
Filter circuitry provides three frequency response
modes for optimal heart and lung auscultation:
- Bell (20-200 Hz)
- Diaphragm (100-500 Hz)
- Extended Range (20-1000 Hz)
Digital recording and storage of sounds on
six distinct tracks.
Instant playback at normal and half speed.
Infrared transmission of recorded sounds to
another Model 4000 or IBM-compatible PC.
LCD display in chestpiece, including heart
rate readout.
Twenty hours of continuous use from two AAA
alkaline batteries.
Excellent acoustic seal and comfortable fit
with patented 3M?Littmann?Snap Tight Soft-Sealing Eartips.