The patented full-rotation acoustic valve stem features SoundTight GLS technology to seal in sound, and the green indicator dot allows the user to easily identify the active sound channel. The chestpiece can be converted to nine different configurations, including a complete pediatric or infant cardiology stethoscope. Each diaphragm features a non-chill retaining ring to provide a secure acoustic transmission for heart and lung sounds of 100Hz to 1000Hz.

















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