Stainless steel single-sided chestpiece with dual-frequency diaphragm

Specially designed membrane lock, within the chestpiece, alters the diaphragm to achieve dual-frequency

Hold the chestpiece to achieve low frequency response (similar to dual-sided bell chestpiece)

Apply firm pressure to achieve high-frequency diaphragm response

Comfortable, non-chill ring

Lightweight, stainless steel binaurals with internal spring

Extra-thick cardiology 19"; latex-free Y-tubing

Deluxe eartips

Lifetime Warranty