Features

• Combines the acoustic response of a traditional bell and diaphragm into a convenient one-sided chest piece
• New gasketed diaphragm enables the scope to achieve multi-frequency response simply by altering pressure
• Light pressure produces bell-type low frequency response
• Firm pressure will produce diaphragm-type high frequency performance
• New ovoid-shaped chest piece improves ergonomics
• Chest piece made from lightweight zinc alloy plated with an attractive satin stainless finish