X-configuration Acoustic Tubing grants this model as the most advanced of Sprague Rappaport. Similar to the MDF 767 Sprague, it is designed to detect the entire range of heart and chest auscultation. It is five stethoscopes in one for full range and flexible diagnostic capability that is clinically proven to deliver more faint heart sounds and murmurs. Worldwide, it is the most popular stethoscope (76 cm overall length) on the market today and the top choice of the medical professionals.

Chestpiece: Equipped with a full rotational Dual-Output Acoustic Valve Stem, all components are individually machined and precisely assembled. Strict tolerance control and valve mechanism ensure smooth valve rotation and accurate acoustic transmission. The Chestpiece enables users to switch between adult and pediatric-sided Bowels/Bells with ease and interchange both side of the Chestpiece with adult and pediatric fittings (2 Bowels and 3 Bells) to meet medical professionals' specific diagnostic requirements.

Headset: Adjustable chrome-plated wide brass tubes (6mm diameter) are crafted with enclosed flexible spring designed for a long lasting anatomical fit.