With the ERKA. Precise, ERKA has redefined the term high-end stethoscope. The open bell side allows the physician to determine the lower frequencies.The membrane side is equipped with the ERKA.

The stethoscope has changed little since its ... The chest piece consists of either a broad, thin diaphragm or an open-ended bell, while the earpieces are designed to fit snugly into the ...

A stethoscope consists of 3 basic pieces: the headset (this includes ear tips and an ear tube), tubing (which connects the headset to the chest piece), and a chest piece. The chest piece has a tunable ...