1- Acoustics Stainless-steel chestpiece and cardiology headsets are engineered to provide outstanding acoustic performance. The headset optimizes the acoustic pathway while our adjustable frequency technology, housed in a compact sculpted design, allows you to tune the diaphragm to enhance both high- and low-frequency response. 2- Comfort The ergonomic cardiology headset wears easily, with silicone ear tips providing the ultimate in practitioner comfort and acoustic seal. The non-chill diaphragm retaining rim ensures patient comfort. 3- Construction Stethoscope features an all-stainless-steel construction, ensuring a lifetime of use. The double-leaf tensioning spring withstands thousands of cycles, and the cardiology headset, made with heavy-walled tubing and large-diameter aural tubes, offers unmatched acoustics and durability.