Riester duplex 2.0 Stethoscope
A Riester stethoscope with a double chest piece, diaphragm and bell, and an indicator showing which side is active. The extra-soft ear tips pivot with the ear canal, and the headset has internal springs for the contact pressure. The doctor interprets what is heard.
1-year warranty
On Riester products, from the date of purchase.
Accredited service centre
By the General Authority for Industrial Control, at 31 El Rashidy St – Kasr El Aini.
Genuine product
By Riester.
Ali Ben Ali
In the medical equipment trade since 1987, with 4 branches.
This stethoscope may suit you if...
These are the uses the stethoscope is made for.
You want two heads in one stethoscope
A diaphragm for high sounds and a bell for low sounds.
You wear it for long hours
Extra-soft ear tips that pivot with the ear.
You want to know which side is on
The indicator shows the active side.
The duplex 2.0 in one line: a double chest piece with an active-side indicator, an anatomical headset with internal springs, and soft pivoting ear tips.
duplex 2.0 features
Double head with indicator
Diaphragm Ø 46 mm and bell Ø 34 mm; the indicator shows the active side.
Ø 44 mm membrane
With non-chill rims.
Soft pivoting ear tips
Replaceable, for a good seal.
Anatomical headset
Multiple internal springs for the contact pressure.
Latex-free
Overall length 74 cm.
Technical specifications
Comfort
- Eartips
- Extra-soft, replaceable and pivotable
- Headset (binaural)
- Anatomically shaped, with multiple internal springs for the contact pressure
Physical
- Length
- 74 cm
Warranty & after-sales
- Ali Ben Ali warranty
- 1 year
Identity
- Chest piece
- Double chest piece (diaphragm and bell) with an indicator showing which side is active: diaphragm Ø 46 mm, bell Ø 34 mm, membrane Ø 44 mm
- Tubing
- Latex-free
Compare with other Stethoscope devices
| Duplex 2.0This page | Classic IIIGo to product | Master Classic IIGo to product | |
|---|---|---|---|
| Chest piece | Double chest piece (diaphragm and bell) with an indicator showing which side is active: diaphragm Ø 46 mm, bell Ø 34 mm, membrane Ø 44 mm | Double-sided with tunable diaphragms: adult side 4.3 cm, paediatric side 3.4 cm; the paediatric side converts to an open bell | Single-sided chest piece, approx. 4.3 cm, with a tunable diaphragm: light contact for low-frequency sounds, firmer pressure for high-frequency sounds, no turning over. Non-chill rim and diaphragm |
| Tubing | Latex-free | – | High-performance single-lumen tubing; product and package free of natural rubber latex |
| Eartips | Extra-soft, replaceable and pivotable | Soft-sealing eartips | Snap Tight Soft-Sealing eartips |
| Length | 74 cm | 69 cm | Approx. 69 cm |
| Weight | – | – | Approx. 160 g |
| Ali Ben Ali warranty | 1 year | 1 year | 1 year |
A dot next to a value means it differs from the device on this page.
Frequently asked questions
About the Duplex 2.0
How does it differ from the Littmann Classic III?
Both have two sides. The duplex 2.0 has a bell, an active-side indicator and pivoting ear tips; the Classic III has tunable diaphragms on both sides, and its paediatric side converts to an open bell.
When do I use the diaphragm and when the bell?
The diaphragm for high-frequency sounds, the bell for low-frequency sounds. The indicator shows which side you are on.
Are the ear tips replaceable?
Yes, the ear tips are replaceable; they are extra-soft and pivot with the ear canal.
Does the tubing contain latex?
No, the stethoscope is latex-free.
How long is it?
The overall length is 74 cm.
About buying medical devices from Ali Ben Ali
Is the product genuine, and how can I be sure?
The product is made by Riester and comes with the Ali Ben Ali warranty; we have been in the medical equipment trade since 1987. You can also see it in person at any of our branches before you buy.
About usHow long is the warranty, and who provides it?
1 year from Ali Ben Ali from the date of purchase, on Riester products. We honour it directly, not through a third party; for any coverage question call the hotline 01212333328.
Maintenance centresIf the product needs service, who repairs it?
Our maintenance centre at 31 El Rashidy St – Kasr El Aini, accredited by the General Authority for Industrial Control. Call the hotline 01212333328 and we will set a time with you.
Maintenance centresCan I return or exchange the device?
Yes, within 14 days of delivery, if it is unused, complete with its accessories and in its original packaging. If it arrives defective or different from your order, we replace it or refund it in full. Masks, tubing and any items that contact the patient cannot be returned once opened, for hygiene reasons. Return shipping is on us for a defect or a wrong item; otherwise the customer pays it, unless a free-shipping offer applies.
Exchange and returns policyDo you deliver and install? Should I buy online or at a branch?
We deliver and install in 27 governorates within Egypt. Shipping fees are set after you order and agreed with you by phone or WhatsApp before dispatch. Order on the website or on WhatsApp, or visit our branches: Rashidy and Bostan in Cairo, Alexandria and Mansoura.
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Specifications last updated: 2026-09-27
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