With its outstanding acoustic performance and resultant extraordinary auscultation for all frequency ranges the duplex® 2.0 is perfect for auscultation of adults and children. Its redesign includes a choice between a chest-piece in either stainless steel or ultra-light weight aluminum. The tube stethoscopes are available as duplex® 2.0, duplex® 2.0 baby and duplex ® 2.0 neonatal for auscultation of adults, children and newborns. The cardiophon 2.0 has been specifically developed for cardiology.