ABN™ CLASSIC OPTIMA Dual Tunable Diaphragm Chestpiece PRODUCT FEATURES - Optimized acoustic response and rugged durability - The chestpiece is precisely machined to exacting tolerance from surgical stainless steel for outstanding performance - Dual tunable diaphragm for monitoring high and low frequencies - Detect normal and abnormal sounds and rhythms - Non-chill ring provide excellent patient comfort - Double leaf internal spring binaurals for the comfortable ear fit, more durable and longer life span - Soft sealing eartips ORDERING INFORMATION SIZE COLOR Adult Please Specify To choose color choices, replace “XX” suffix with a color code selected (e.g., SS-021P-BK) ROYAL BLUE NAVY BLUE HUNTER GREEN ABN™ CLASSIC OPTIMA Stethoscope Accessor