- Combination adult size chestpiece precisely machined to exacting tolerances from surgical stainless steel for outstanding performance and rugged durability
- Extra large bell (13/8 diameter) for unsurpassed low frequency response
- Ultra-sensitive diaphragm (17/8 diameter) for greater amplification and crisper high frequency response
- Color coordinated non-chill bell and diaphragm retaining rim for patient comfort
Combination adult size chestpiece precisely machined to exacting tolerances from surgical stainless steel for outstanding performance and rugged durability * Extra large bell (13/8 diameter) for unsurpassed low frequency response * Ultra-sensitive diaphragm (17/8 diameter) for greater amplification and crisper high frequency response * Color coordinated non-chill bell and diaphragm retaining rim for patient comfort * Stainless steel binaurals with double leaf internal spring fixed at 15