
Our classic stethoscopes: duplex® 2.0, duplex® and ri-rap®

duplex® 2.0 stethoscope
With its outstanding acoustic performance and resultant extraordinary auscultation for all frequency ranges the new duplex® 2.0 is perfect for auscultation of both adults and children. Its redesign includes a choice between a chest-piece in either stainless steel or ultra-light weight 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 chromium-plated brass or lightweight galvanized aluminium.
Latex-free.
A selection from the duplex® 2.0 stethoscope range

duplex® 2.0 black edition, aluminium

duplex® 2.0 blue, stainless steel

duplex® 2.0 green, stainless steel

duplex® 2.0 red, stainless steel

duplex® 2.0 white, aluminium

duplex® stethoscope
The duplex® offers outstanding acoustic performance with considerably improved acoustic features,providing excellent value for money in the office practice and hospital.
Features – duplex® 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.
- 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.
What is the difference between duplex® 2.0 and duplex® stethoscope?
- duplex® 2.0 has the spring integrated, whereas duplex® has an external spring.
- duplex® 2.0 has pivotable ear-tips, whereas duplex® has fixed ear-tips.
- duplex® 2.0 has a marking to show the user which side of the chest piece is open (membrane or bell).
- duplex® 2.0 is lighter - 97 g (aluminium) vs. duplex® 104 g.
We continue to offer duplex® stethoscope because…
- It is an affordable option to duplex® 2.0
- It is appropriate for some tenders.

ri-rap® stethoscope
A universal stethoscope with wide-ranging Applications.
The universal stethoscope ri-rap® with double chest-piece and double tube system offers an impressively flexible range of applications, with very good acoustics in all frequency ranges.
Features – ri-rap® stethoscope
- Traditional twin tube stethoscope with double-chest piece.
- Both membrane sides can be simply and quickly refitted with the enclosed bells.
- Soft, fixed and replaceable ear-tips.
- Includes three replacement bells and two pairs of replacement ear-tips.
- Latex-free.
Product details
duplex® 2.0
Membrane | Ø 44 mm (1.73 in) |
Bell | Ø 32 mm (1.26 in) |
Length | 74 cm (29.13 in) |
Weight | 151 g / 0.33 lb (stainless steel), 97 g / 0.21 lb (aluminium) |
Stainless steel tubing colours | Black, White, Blue, Red, Green |
Aluminium tubing colours | Black, White, Blue, Red, Green, Black edition |
duplex®
Membrane | Ø 48 mm (1.89 inch) |
Bell | Ø 36 mm (1.42 inch) |
Length | 77 cm (30.32 in) |
Weight | 104 g |
Tubing colours | Black, Slate grey, Blue, Green |
ri-rap®
Membrane | Ø 45 mm (1.77 in) and 32 mm (1.26 in) |
Three bells | Ø 33.5 mm (1.32 in), 27.3 mm (1.08 in), 20.3 mm (0.80 in) |
Length | 40 cm (15.75 in) or 80 cm (31.50 in) |
Weight | 40cm – 228g, 80cm – 285g |
Stainless steel tubing colours | Black, Blue |
Ordering information
duplex® 2.0
Art. No. | Region | Description |
---|---|---|
4210-01 | All | duplex® 2.0, stainless steel, black |
4210-02 | All | duplex® 2.0, stainless steel, white |
4210-03 | All | duplex® 2.0, stainless steel, blue |
4210-04 | All | duplex® 2.0, stainless steel, red |
4210-05 | All | duplex® 2.0, stainless steel, green |
4200-01 | All | duplex® 2.0, aluminium, black |
4200-02 | All | duplex® 2.0, aluminium, white |
4200-03 | All | duplex® 2.0, aluminium, blue |
4200-04 | All | duplex® 2.0, aluminium, red |
4200-05 | All | duplex® 2.0, aluminium, green |
4201-01 | All | duplex® 2.0, aluminium, black edition |
duplex®
Art. No. | Region | Description |
---|---|---|
4001-01 | EU | duplex®, aluminium, black |
4031-03 | EU | duplex®, aluminium, blue |
4011-01 | EU | duplex®, chrome plated, black |
4011-03 | EU | duplex®, chrome plated, blue |
4001-02 | EU | duplex®, aluminium, slate grey |
4033-05 | EU | duplex®, aluminium, green |
4011-02 | EU | duplex®, chrome plated, slate grey |
4011-05 | EU | duplex®, chrome plated, green |
ri-rap®
Art. No. | Region | Description |
---|---|---|
4150-01 | EU | ri-rap®, chromed plated, double tube 40 cm, black |
4155-01 | EU | ri-rap®, chromed plated, double tube 80 cm, black |
4150-03 | EU | ri-rap®, chromed plated, double tube 40 cm, blue |
4155-03 | EU | ri-rap®, chromed plated, double tube 80 cm, blue |
Accessories
Binaural with ear-tips and tube, latex-free
Art. No. | Region | Description |
---|---|---|
13223 | EU | Binaural with Y-tubing for duplex® 2.0, black |
13224 | EU | Binaural with Y-tubing for duplex® 2.0, white |
13225 | EU | Binaural with Y-tubing for duplex® 2.0, blue |
13226 | EU | Binaural with Y-tubing for duplex® 2.0, red |
13227 | EU | Binaural with Y-tubing for duplex® 2.0, green |
13228 | EU | Binaural with Y-tubing for duplex® 2.0, black edition |
11065-01 | EU | Binaural with Y-tubing for duplex®, black |
11065-02 | EU | Binaural with Y-tubing for duplex®, slate grey |
11060-03 | EU | Binaural with Y-tubing for duplex®, blue |
11061-01 | EU | Binaural with Y-tubing for duplex®, green |
11070-01 | EU | Binaural with 40 cm double tubing for ri-rap®, black |
11071-01 | EU | Binaural with 80 cm double tubing for ri-rap®, black |
11070-03 | EU | Binaural with 80 cm double tubing for ri-rap®, black |
11071-03 | EU | Binaural with 80 cm double tubing for ri-rap®, blue |
Binaural with ear-tips, without tube
Art. No. | Region | Description |
---|---|---|
11080 | EU | Binaural with ear-tips, without tube for duplex® |
11083 | EU | Binaural with ear-tips, without tube for ri-rap® |
Chestpieces
Art. No. | Region | Description |
---|---|---|
13230 | EU | Double head chestpiece for duplex®, aluminium, silver |
13231 | EU | Double head chestpiece for duplex® 2.0, stainless steel |
13232 | EU | Double head chestpiece for duplex® 2.0, aluminium, , black |
11008 | All | Double head chestpiece for duplex®, aluminium |
11010 | EU | Double head chestpiece for duplex®, chrome plated |
11027 | EU | Double head chestpiece for ri-rap®, chrome plated |
Ear-tips (pack of 10 pcs.)
Art. No. | Region | Description |
---|---|---|
11139 | All | Soft ear tips for duplex®, grey |
11110 | All | Hard ear tips for duplex®, white |
13235 | All | Soft ear tips for duplex® 2.0, black |
11107 | EU | Hard ear tips for ri-rap®, black |
11106 | All | Soft ear tips for ri-rap®, black |
11108 | EU | Soft ear tips for ri-rap®, transparent |
Membranes, printed (pack of 10 pcs.)
Art. No. | Region | Description |
---|---|---|
11042 | All | Membranes Ø 45 mm for duplex® |
11050 | All | Membranes Ø 34 mm with hole for duplex® |
13236 | All | Membranes Ø 44 mm for duplex® 2.0 |
11048 | EU | Membranes Ø 27.5 mm, no printing for ri-rap® |
11049 | EU | Membranes Ø 40.5 mm, no printing for ri-rap® |
Non-chill rim
Art. No. | Region | Description |
---|---|---|
13240 | All | Non-chill rim Ø 52 mm for duplex® 2.0 |
13241 | All | Non-chill rim Ø 38 mm for duplex® 2.0 |
11140 | All | Non-chill rim Ø 48 mm for duplex® |
11141 | All | Non-chill rim Ø 35.8 mm for duplex® |
Further accessories
Art. No. | Region | Description |
---|---|---|
11120 | EU | Spare part box(3 bells, 2 membranes, 2 pairs of ear-tips) ri-rap® |
11122 | EU | Bell attachments (large) for ri-rap®, pack of 10 pcs. |
11124 | EU | Bell attachments (medium) for ri-rap®, pack of 10 pcs. |
11123 | EU | Bell attachments (small) for ri-rap®, pack of 10 pcs. |
11147 | All | Name plates, pack of 10 pcs. |
Where to buy?
Riester products are available in over 150 countries. Enter your country to find a Riester distribution partner near you.