1 / 2Vandoren Black Diamond BD4 Bb Clarinet Mouthpiece
The Vandoren Black Diamond BD4 is a Bb clarinet mouthpiece made from rubber. Its listing describes a deep, full sound, ease of response and articulation, and suitability for intermediate players, but these are manufacturer claims rather than verified performance results.
At a glance
- For Bb clarinet, with a rubber body and polished finish according to the listing.
- The maker describes a deep, full sound, flexibility, and ease of response and articulation.
- The listing identifies the BD4 as a choice for intermediate players.
Reference price: $299.00
Price checked: 12 Nov 2026
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Pros and cons
Pros
- Designed for Bb clarinet, with the instrument key stated explicitly.
- The listing specifies a medium-length facing and tip opening, useful details for comparing mouthpiece setups.
Technical specifications
10 specifications| Brand | Vandoren |
|---|---|
| Model | Black Diamond BD4 |
| Instrument key | B Flat |
| Colour | Black |
| Dimensions listed | 12.7 x 5.1 x 5.1 centimetres |
|---|---|
| Weight listed | 0.05 Kilograms |
| Material listed | Rubber |
|---|---|
| Finish | Polished |
| Facing length | moyenne long |
|---|---|
| Tip opening | 115.5 mm |
What to know before buying
- The listing’s tip-opening value is given as 115.5 mm. Treat this as the listed figure, not a verified measurement, and confirm it with the seller or manufacturer if it affects your choice.
What’s in the box
Included- Mouthpiece
Who is it for?
A good fit for
- Bb clarinet players considering the Black Diamond BD4, especially intermediate players as described by the manufacturer.
- Buyers comparing mouthpiece material, facing length and tip-opening details.
Less suited to
- Players using an instrument other than Bb clarinet.
- Buyers who need independently confirmed acoustic performance or dimensions.
Customer reviews on Amazon
- 5 stars
74% 74% - 4 stars
12% 12% - 3 stars
11% 11% - 2 stars
0% 0% - 1 star
3% 3%
Aggregate ratings lean positive, with most ratings in the five-star category, but the distribution also includes lower ratings. Without review text, the reasons behind the ratings are unknown. The figures cannot confirm the listed sound, response or fit, so players should judge those claims against their own setup and preferences.
Frequently asked questions
Which clarinet is the BD4 mouthpiece for?
The listing specifies the instrument key as B Flat, meaning Bb clarinet.
What material is listed?
The listing identifies the mouthpiece material as Rubber.
What does the listing say about its sound and response?
It describes a deep, full sound and ease of response and articulation. These are manufacturer claims, not independently verified performance results.
Alternative options
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$316.51
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