- double-sided, dual diaphragm chestpiece for both adult and pediatric
- The paediatric side is also easily transformed into a traditional open
bell by replacing the single-piece diaphragm with the supplied non-
- chestpiece is precision-machined into an aesthetically pleasing, less
- single-piece diaphragm instead of separate diaphragm/rim making it
easier to attach and easier to clean due to the smooth unbroken
- The stem features an open side indicator to easily identify which
diaphragm is in operation.
- 3M’s ‘Tunable Technology’ lets you easily switch from low to high
frequency sounds by switching from light to firm pressure on both the
adult and paediatric sides of the chestpiece.
- High acoustic sensitivity when performing general physical
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