Duplex
	Duplex® is the high-grade Riester quality stethoscope with precision double chest-piece. The acoustic performance has been considerably improved.

Duplex Deluxe
	The Riester Duplex® de luxe stethoscope with double chest-piece offers acoustics in a class of its own for perfect auscultation. The acoustics have been considerably improved. The stethoscope can be used for the diagnosis of adults as well as for children.

Tristar
	The high quality stethoscope Tristar® with three different sized double chest-pieces for adults, children/babies and new-born children is outstandingly suitable for perfect auscultation in all frequency ranges. Considerably improved acoustic performance in all areas of application.

Cardiophon

The Cardiophon cardiology stethoscope is a masterpiece from Riester. With the highest quality double-headed chest-piece, it convinces with its superior acoustics in every situation. Especially in the frequency range between 200 Hz and 500 Hz, which is particularly important for the auscultation of heart sounds, the cardiophon provides unique acoustic performance. In comparison to previous models it was possible to improve the acoustics still further. The cardiophon is suitable for the precise auscultation of adults and children.

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