Stethoscopes

duplex® 2.0 Stethoscope

A high-performance stethoscope with outstanding acoustic quality across all frequency ranges. Ideal for auscultation of both adults and children, featuring a redesigned chest-piece available in stainless steel or ultra-lightweight aluminium.

Features – duplex® 2.0 stethoscope

  • Innovative acoustic system for all frequency ranges.
  • Double chest-piece, made of stainless steel or aluminium, with floating membrane provides precise acoustics.
  • Anatomically designed headset ensures that the binaural are easily positioned in the user’s ear canal.
  • The spring is integrated into the PVC tubing which is easier to clean and more robust.1
  • A marking shows the user which side of the chest piece is open (membrane or bell).
  • Soft non-chill rims provides patient comfort.
  • Soft, pivotable and replaceable ear-tips provide comfort, occlude sound and reduce noise from in-ear friction.2
  • Includes one pair of replacement ear-tips, a replacement membrane and a name plate.
  • Available in stainless steel or lightweight galvanized aluminium.
  • Latex-free.
Technical Specifications
Product Name duplex® 2.0 Stethoscope
Application Auscultation of adults and children
Acoustic System Innovative acoustic system for all frequency ranges
Chest-piece Double chest-piece with floating membrane, available in stainless steel or lightweight aluminium
Chest-piece Indicator Visual marking indicating open side (membrane or bell)
Headset Design Anatomically designed binaurals for optimal ear canal positioning
Tubing PVC tubing with integrated spring for increased robustness and easy cleaning
Rims Soft non-chill rims for improved patient comfort
Ear-tips Soft, pivotable and replaceable ear-tips for comfort, sound occlusion and reduced friction noise
Available Materials Stainless steel or lightweight galvanized aluminium
Included Accessories One pair of replacement ear-tips, replacement membrane, name plate
Latex-free Yes

duplex® Stethoscope

 A reliable stethoscope with outstanding acoustic performance and improved acoustic features, offering excellent value for money in office practices and hospital environments.

Features – duplex® stethoscope

  • Innovative acoustic system for all frequency ranges.
  • Double chest-piece, made of chrome-plated brass or aluminium, with floating membrane provides precise acoustics.
  • Anatomically designed headset ensures that the binaural are easily positioned in the user’s ear canal.
  • External spring outside of the PVC tubing.
  • A marking shows the user which side of the chest piece is open (membrane or bell).
  • Soft non-chill rims provides patient comfort.
  • Soft, fixed and replaceable ear-tips.
  • Includes one pair of replacement ear-tips and a replacement membrane.
  • Latex-free.
Technical Specifications
Product Name duplex® Stethoscope
Application Office practice and hospital use
Acoustic System Innovative acoustic system for all frequency ranges
Chest-piece Double chest-piece with floating membrane, made of chrome-plated brass or aluminium
Chest-piece Indicator Visual marking indicating open side (membrane or bell)
Headset Design Anatomically designed binaurals for easy ear canal positioning
Spring System External spring outside of the PVC tubing
Rims Soft non-chill rims for patient comfort
Ear-tips Soft, fixed and replaceable ear-tips
Included Accessories One pair of replacement ear-tips and one replacement membrane
Latex-free Yes

Cardiophon 2.0 stethoscope

The cardiophon 2.0 has been specifically developed for cardiology, enabling precise auscultation of heart sounds. By focusing on the critical frequency range for cardiac auscultation, it allows clinicians to clearly detect murmurs, clicks and subtle irregularities.

Features – cardiophon 2.0

  • Specifically developed for cardiology and auscultation of the heart.
  • cardiophon 2.0 focuses on the frequency range 200 – 500 Hz which is important for the auscultation of the heart.
  • Anatomically designed headset ensures that the binaural are easily positioned in the user’s ear canal.
  • Soft, pivotable and replaceable ear-tips provide comfort, occlude sound and reduce noise from in-ear friction.1
  • The Y-tube has separate sound-conducting pathways to the left and right ear, which allows you to hear the subtle characteristics of heart sounds and murmurs more distinctly.
  • The spring is integrated into the PVC tubing which is easier to clean and more robust.2
  • A marking shows the user which side of the chest piece is open (membrane or bell).
  • Includes one pair of replacement ear-tips, a replacement membrane for each diaphragm and a name plate.
  • Latex-free.
Technical Specifications
Product Name cardiophon 2.0 Cardiology Stethoscope
Application Cardiology – auscultation of the heart
Frequency Range Optimised for 200 – 500 Hz (cardiac auscultation)
Chest-piece Double-head, stainless steel (diaphragm & bell)
Diaphragm Size Ø 44 mm (1.73 in)
Bell Size Ø 32 mm (1.26 in)
Chest-piece Diameter Diaphragm Ø 46 mm (1.81 in), Bell Ø 34 mm (1.34 in)
Headset Design Anatomically designed binaurals for optimal ear canal positioning
Y-Tubing Dual-channel Y-tube with separate sound paths for left and right ear
Spring System Integrated spring inside PVC tubing for durability and easy cleaning
Ear-tips Soft, pivotable and replaceable ear-tips
Indicator Visual marking indicating open side (membrane or bell)
Length 71 cm (27.95 in)
Weight 204 g (0.45 lb)
Tubing Colours Black, Blue, Burgundy
Latex-free Yes
Included Accessories Replacement ear-tips (1 pair), replacement membrane for each diaphragm, name plate

Ordering Information – cardiophon 2.0

Art. No. Region Description
4240-01 All cardiophon 2.0, stainless steel, black
4240-03 All cardiophon 2.0, stainless steel, blue
4240-04 All cardiophon 2.0, stainless steel, burgundy

Accessories – cardiophon 2.0

Art. No. Region Description
13220 All except US Binaural with black Y-tubing (integrated spring, twin-channel tube)
13222 All except US Binaural with blue Y-tubing (integrated spring, twin-channel tube)
13216 All except US Binaural with burgundy Y-tubing (integrated spring, twin-channel tube)
13229 All except US Double-head chest-piece, stainless steel
13235 All Black soft ear-tips (pack of 10 pcs.)
13236 All Membrane Ø 44 mm (pack of 10 pcs.)
13237 All except US Membrane Ø 32 mm with hole (pack of 10 pcs.)
13240 All Non-chill rim Ø 52 mm
13241 All Non-chill rim Ø 38 mm
11147 All Name plates (pack of 10 pcs.)

duplex® 2.0 neonatal

A neonatal stethoscope especially developed for newborns and babies. The smallest double chest-piece with extra-fine finishing ensures precise auscultation of infants. The duplex® 2.0 neonatal includes a bell for accurate low-frequency sound detection.

Features – duplex® 2.0 neonatal

  • Innovative acoustic system for all frequency ranges.
  • Smallest double chest-piece, made of stainless steel, with floating membrane provides precise acoustics.
  • Anatomically designed headset ensures that the binaural are easily positioned in the user’s ear canal.
  • The spring is integrated into the PVC tubing which is easier to clean and more robust.1
  • A marking shows the user which side of the chest piece is open (membrane or bell).
  • Soft non-chill rims provides patient comfort.
  • Soft, pivotable and replaceable ear-tips provide comfort, occlude sound and reduce noise from in-ear friction.2
  • Includes one pair of replacement ear-tips and a replacement membrane.
  • Latex-free.
Technical Specifications
Product Name DUPLEX® 2.0 Neonatal Stethoscope
Application Neonatal auscultation – newborns and infants
Acoustic System Innovative acoustic system for all frequency ranges
Chest-piece Smallest double chest-piece with floating membrane, stainless steel, includes bell
Chest-piece Indicator Visual marking indicating open side (membrane or bell)
Headset Design Anatomically designed binaurals for optimal ear canal positioning
Spring System Integrated spring inside PVC tubing for durability and easy cleaning
Rims Soft non-chill rims for improved patient comfort
Ear-tips Soft, pivotable and replaceable ear-tips for comfort and noise reduction
Included Accessories One pair of replacement ear-tips and one replacement membrane
Latex-free Yes

Ordering Information – duplex® 2.0 neonatal

Art. No. Region Description
4230-01 All duplex® 2.0 neonatal, stainless steel, black
4230-02 All duplex® 2.0 neonatal, stainless steel, white
4230-04 All duplex® 2.0 neonatal, stainless steel, red
4230-05 All duplex® 2.0 neonatal, stainless steel, green

Accessories – Binaurals with Y-Tubing (latex-free)

Art. No. Region Description
13223 All except US Binaural with black Y-tubing – for duplex® 2.0 neonatal
13224 All except US Binaural with white Y-tubing – for duplex® 2.0 neonatal
13226 All except US Binaural with red Y-tubing – for duplex® 2.0 neonatal
13227 All except US Binaural with green Y-tubing – for duplex® 2.0 neonatal
11060-03 All except US Binaural with blue Y-tubing – for duplex® neonatal

Accessories – Binaural (ear tubes + ear tips)

Art. No. Region Description
11080 All Binaural – for duplex® neonatal

Accessories – Chestpieces

Art. No. Region Description
13234 All except US Double-head chestpiece, stainless steel – for duplex® 2.0 neonatal
11018 All except US Double-head chestpiece, aluminium – for duplex® neonatal

Accessories – Ear-tips (pack of 10 pcs.)

Art. No. Region Description
13235 All Black soft ear tips – for duplex® 2.0 neonatal
11139 All Grey soft ear tips – for duplex® neonatal
11110 All White hard ear tips – for duplex® neonatal

Accessories – Membranes (pack of 10 pcs.)

Art. No. Region Description
13239 All except US Membrane Ø 24 mm (0.94 in) – for duplex® 2.0 neonatal
11051 All Membrane Ø 26 mm (1.02 in) – for duplex® neonatal

Accessories – Non-chill rims

Art. No. Region Description
11143 All Non-chill rim Ø 28 mm – for duplex® 2.0 neonatal & duplex® neonatal
11144 All Non-chill rim Ø 22 mm – for duplex® 2.0 neonatal & duplex® neonatal

Further Accessories

Art. No. Region Description
11147 All Name plates, pack of 10 pcs.

duplex® neonatal

The Riester duplex® neonatal stethoscope offers considerably improved acoustic performance. Its precision-finished double chest-piece is specifically designed for auscultation of newborns.

Features – duplex® neonatal

  • Innovative acoustic system for all frequency ranges.
  • Smallest double chest-piece, made of aluminium, with floating membrane provides precise acoustics.
  • Anatomically designed headset ensures that the binaural are easily positioned in the user’s ear canal.
  • External spring outside of the PVC tubing.
  • A marking shows the user which side of the chest piece is open (membrane or bell).
  • Soft non-chill rims provides patient comfort.
  • Soft, fixed and replaceable ear-tips.
  • Includes one pair of replacement ear-tips and a replacement membrane.
  • Latex-free.
Technical Specifications
Product Name duplex® Neonatal Stethoscope
Application Neonatal auscultation – newborns
Acoustic System Innovative acoustic system for all frequency ranges
Chest-piece Smallest double chest-piece with floating membrane, made of aluminium
Chest-piece Indicator Visual marking indicating open side (membrane or bell)
Headset Design Anatomically designed binaurals for optimal ear canal positioning
Spring System External spring outside of the PVC tubing
Rims Soft non-chill rims for improved patient comfort
Ear-tips Soft, fixed and replaceable ear-tips
Included Accessories One pair of replacement ear-tips and one replacement membrane
Latex-free Yes

Ordering Information – duplex® neonatal

Art. No. Region Description
4051 All except US duplex® neonatal, aluminium, blue

Accessories – Binaurals with Y-Tubing (latex-free)

Art. No. Region Description
13223 All except US Binaural with black Y-tubing – for duplex® 2.0 neonatal
13224 All except US Binaural with white Y-tubing – for duplex® 2.0 neonatal
13226 All except US Binaural with red Y-tubing – for duplex® 2.0 neonatal
13227 All except US Binaural with green Y-tubing – for duplex® 2.0 neonatal
11060-03 All except US Binaural with blue Y-tubing – for duplex® neonatal

Accessories – Binaural (ear tubes + ear tips)

Art. No. Region Description
11080 All Binaural – for duplex® neonatal

Accessories – Chestpieces

Art. No. Region Description
13234 All except US Double-head chestpiece, stainless steel – for duplex® 2.0 neonatal
11018 All except US Double-head chestpiece, aluminium – for duplex® neonatal

Accessories – Ear-tips (pack of 10 pcs.)

Art. No. Region Description
13235 All Black soft ear tips – for duplex® 2.0 neonatal
11139 All Grey soft ear tips – for duplex® neonatal
11110 All White hard ear tips – for duplex® neonatal

Accessories – Membranes (pack of 10 pcs.)

Art. No. Region Description
13239 All except US Membrane Ø 24 mm (0.94 in) – for duplex® 2.0 neonatal
11051 All Membrane Ø 26 mm (1.02 in) – for duplex® neonatal

Accessories – Non-chill rims

Art. No. Region Description
11143 All Non-chill rim Ø 28 mm – for duplex® 2.0 neonatal & duplex® neonatal
11144 All Non-chill rim Ø 22 mm – for duplex® 2.0 neonatal & duplex® neonatal

Further Accessories

Art. No. Region Description
11147 All Name plates, pack of 10 pcs.

duplex® 2.0 baby stethoscope

The duplex® 2.0 baby stethoscope was specially developed for paediatric patients, offering outstanding acoustic performance for precise auscultation of babies. The precision-finished double chest-piece ensures excellent sound transmission and diagnostic reliability.

Features – duplex® 2.0 baby

  • Innovative acoustic system for all frequency ranges.
  • Smaller double chest-piece, made of stainless steel, with floating membrane provides precise acoustics.
  • Anatomically designed headset ensures that the binaural are easily positioned in the user’s ear canal.
  • The spring is integrated into the PVC tubing which is easier to clean and more robust.1
  • A marking shows the user which side of the chest piece is open (membrane or bell).
  • Soft non-chill rims provide patient comfort.
  • Soft, pivotable and replaceable ear-tips provide comfort, occlude sound and reduce noise from in-ear friction.2
  • Includes one pair of replacement ear-tips and a replacement membrane.
  • Latex-free.
Technical Specifications
Product Name DUPLEX® 2.0 Baby Stethoscope
Application Paediatric auscultation – babies
Acoustic System Innovative acoustic system for all frequency ranges
Chest-piece Smaller double chest-piece with floating membrane, made of stainless steel
Membrane Diameter Ø 32 mm (1.26 in)
Chest-piece Size Diaphragm Ø 34 mm (1.34 in), Bell Ø 26 mm (1.02 in)
Headset Design Anatomically designed binaurals for optimal ear canal positioning
Spring System Integrated spring inside PVC tubing for durability and easy cleaning
Rims Soft non-chill rims for patient comfort
Ear-tips Soft, pivotable and replaceable ear-tips
Length 69 cm (27.17 in)
Weight 124 g (0.27 lb)
Tubing Colours White, Red, Green, Black
Included Accessories One pair of replacement ear-tips and one replacement membrane
Latex-free Yes

Ordering Information – DUPLEX® 2.0 BABY

Art. No. Region Description
4220-01 All duplex® 2.0 baby, stainless steel, black
4220-02 All duplex® 2.0 baby, stainless steel, white
4220-04 All duplex® 2.0 baby, stainless steel, red
4220-05 All duplex® 2.0 baby, stainless steel, green

Accessories – Binaurals with Y-Tubing (latex-free)

Art. No. Region Description
13223 All except US Binaural with black Y-tubing – for duplex® 2.0 baby
13224 All except US Binaural with white Y-tubing – for duplex® 2.0 baby
13226 All except US Binaural with red Y-tubing – for duplex® 2.0 baby
13227 All except US Binaural with green Y-tubing – for duplex® 2.0 baby
11060-03 All except US Binaural with blue Y-tubing – for duplex® baby

Accessories – Binaural (ear tubes + ear tips)

Art. No. Region Description
11080 All Binaural – for duplex® baby

Accessories – Chestpieces

Art. No. Region Description
13233 All except US Double-head chestpiece, stainless steel – for duplex® 2.0 baby
11015 All except US Double-head chestpiece, aluminium – for duplex® baby

Accessories – Ear-tips (pack of 10 pcs.)

Art. No. Region Description
13235 All Black soft ear tips – for duplex® 2.0 baby
11139 All Grey soft ear tips – for duplex® baby
11110 All White hard ear tips – for duplex® baby

Accessories – Membranes (pack of 10 pcs.)

Art. No. Region Description
13235 All Black soft ear tips – for duplex® 2.0 baby
11139 All Grey soft ear tips – for duplex® baby
11110 All White hard ear tips – for duplex® baby

Accessories – Non-chill rims

Art. No. Region Description
11141 All Non-chill rim Ø 36 mm – for duplex® 2.0 baby & duplex® baby
11143 All Non-chill rim Ø 28 mm – for duplex® 2.0 baby & duplex® baby

Further Accessories

Art. No. Region Description
11147 All Name plates, pack of 10 pcs.

duplex® baby stethoscope

 The Riester duplex® baby stethoscope is a high-grade quality product with considerably improved acoustics. Its precision-finished double chest-piece has been specially developed for paediatric patients, ensuring reliable and clear auscultation.

Features – duplex® baby

  • Innovative acoustic system for all frequency ranges.
  • Smaller double chest-piece, made of aluminium, with floating membrane provides precise acoustics.
  • Anatomically designed headset ensures that the binaural are easily positioned in the user’s ear canal.
  • External spring outside of the PVC tubing.
  • A marking shows the user which side of the chest piece is open (membrane or bell).
  • Soft non-chill rims provide patient comfort.
  • Soft, fixed and replaceable ear-tips.
  • Includes one pair of replacement ear-tips and a replacement membrane.
  • Latex-free.
Technical Specifications
Product Name duplex® Baby Stethoscope
Application Paediatric auscultation – babies
Acoustic System Innovative acoustic system for all frequency ranges
Chest-piece Smaller double chest-piece with floating membrane, made of aluminium
Membrane Diameter Ø 34 mm (1.34 in)
Chest-piece Size Diaphragm Ø 34 mm (1.34 in), Bell Ø 26 mm (1.02 in)
Headset Design Anatomically designed binaurals for optimal ear canal positioning
Spring System External spring outside of the PVC tubing
Rims Soft non-chill rims for improved patient comfort
Ear-tips Soft, fixed and replaceable ear-tips
Length 76.5 cm (30.12 in)
Tubing Colour Blue
Included Accessories One pair of replacement ear-tips and one replacement membrane
Latex-free Yes

Ordering Information – DUPLEX® BABY

Art. No. Region Description
4041 All except US duplex® baby, aluminium, blue

Accessories – Binaurals with Y-Tubing (latex-free)

Art. No. Region Description
13223 All except US Binaural with black Y-tubing – for duplex® 2.0 baby
13224 All except US Binaural with white Y-tubing – for duplex® 2.0 baby
13226 All except US Binaural with red Y-tubing – for duplex® 2.0 baby
13227 All except US Binaural with green Y-tubing – for duplex® 2.0 baby
11060-03 All except US Binaural with blue Y-tubing – for duplex® baby

Accessories – Binaural (ear tubes + ear tips)

Art. No. Region Description
11080 All Binaural – for duplex® baby

Accessories – Chestpieces

Art. No. Region Description
13233 All except US Double-head chestpiece, stainless steel – for duplex® 2.0 baby
11015 All except US Double-head chestpiece, aluminium – for duplex® baby

Accessories – Ear-tips (pack of 10 pcs.)

Art. No. Region Description
13235 All Black soft ear tips – for duplex® 2.0 baby
11139 All Grey soft ear tips – for duplex® baby
11110 All White hard ear tips – for duplex® baby

Accessories – Membranes (pack of 10 pcs.)

Art. No. Region Description
13235 All Black soft ear tips – for duplex® 2.0 baby
11139 All Grey soft ear tips – for duplex® baby
11110 All White hard ear tips – for duplex® baby

Accessories – Non-chill rims

Art. No. Region Description
11141 All Non-chill rim Ø 36 mm – for duplex® 2.0 baby & duplex® baby
11143 All Non-chill rim Ø 28 mm – for duplex® 2.0 baby & duplex® baby

Further Accessories

Art. No. Region Description
11147 All Name plates, pack of 10 pcs.
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