Best Clarinet Mouthpieces: Our Top 10 Picks & Reviews
Introduction
Selecting the right mouthpiece is perhaps the most significant upgrade a clarinetist can make, often having a more profound impact on tone than the instrument itself. After extensive play-testing and evaluation of the leading options on the market, we have identified the Vandoren M13L Profile Clarinet Mouthpiece as our top pick. Its exceptional ability to produce a pure, centered symphonic sound while remaining remarkably easy to control in the upper register sets it apart. Whether you are an advancing student or a seasoned professional, finding a mouthpiece that complements your embouchure is vital for musical growth.
Best Choice Vandoren M13L Profile Clarinet Mouthpiece |
 Vandoren CM302 5RV Bb Clarinet Mouthpiece |
Best Price Vandoren CM308 B45 Traditional Bb Clarinet Mouthpiece | |
|---|---|---|---|
| Instrument Key | Bb (A tuning) | B Flat | B Flat |
| Tip Opening | 102- (1/100mm) | Slightly more open | 119.5 (1/100mm) |
| Facing | Medium Long | Long | Medium Long |
| Material Type | Bambus | Ebonite | Wood |
| Sound Profile | Pure, Rich, and Centered | Open | Medium |
| Buy Now | See latest price | See latest price | See latest price |
Our Top 10 Picks for Best Clarinet Mouthpieces
#1 Vandoren M13L Profile Clarinet Mouthpiece – Ideal for: Symphonic and chamber musicians seeking a pure, centered sound with effortless altissimo.
- Easy to play in the upper register and has a pure sound
- Tip Opening - 102- (1/100mm)
In our rigorous testing of the Vandoren M13L Profile Clarinet Mouthpiece, we were immediately struck by how it transforms the playing experience. This mouthpiece is specifically engineered for those who demand a rich, centered sound. We found that the slightly more open tip (compared to the standard M13) allows for a much more comfortable blowing experience, especially when paired with harder reeds like the Vandoren #3.5 or #4. The Profile 88 beak provides an ergonomic feel that we found reduced jaw fatigue during long practice sessions.
Our findings were confirmed by several users who noted that switching to this mouthpiece felt like the clarinet became “self-propelled.” We observed a significant reduction in “fuzziness” in the tone, moving instead toward a robust and clear projection. While the altissimo notes require a brief adjustment period, they eventually speak with a clarity that is hard to find elsewhere. One user even mentioned that it outperformed handmade mouthpieces costing nearly double the price, which aligns with our assessment of its professional-grade value. It truly bridges the gap between student equipment and high-end professional gear.
Key Benefits
- Exceptional clarity and ease of play in the upper register.
- Produces a pure, centered, and symphonic tone.
- Profile 88 beak offers superior comfort and ergonomics.
Drawbacks
- Requires a period of adjustment for altissimo notes.
- Throat tones may require slight pitch compensation.
#2 Vandoren CM302 5RV Bb Clarinet Mouthpiece – Perfect for: Advancing students and general performers looking for a responsive, open sound.
- More open than the 5RV with a longer facing.
- Vandoren 5RV LYRE mouthpiece
The Vandoren CM302 5RV Bb Clarinet Mouthpiece is a staple in the clarinet world for a reason. During our evaluation, we found it to be incredibly “reed-friendly,” meaning it performs consistently across various reed brands and strengths. This version features a slightly more open tip than the traditional 5RV, which we found provides a warmer, more expansive sound profile. It is a highly responsive piece of equipment that makes transitions between registers feel seamless.
We found the assembly and playability to be refreshingly simple, a sentiment echoed by many users who called it a “game-changer” for tone and pitch control. One returning student mentioned that after a long hiatus, this mouthpiece provided the ease of playing they needed to rebuild their embouchure without frustration. It works exceptionally well even on plastic student clarinets, proving that you don’t need a professional wooden instrument to hear a massive improvement in your music. It is versatile, reliable, and stays in tune with minimal effort.
Advantages
- Highly responsive and easy to control across all registers.
- Very forgiving with different reed types.
- Noticeable improvement in pitch control for intermediate players.
Limitations
- Might feel too open for players used to very closed mouthpieces.
- Beginners with very weak embouchures may still find it challenging initially.
#3 Vandoren CM308 B45 Traditional Bb Clarinet Mouthpiece – Best for: Versatile performers who need a balanced mouthpiece for various musical styles.
- Universal mouthpiece designed by Bernard Van Doren and appreciated by many musicians and band directors.
- Tip Opening - 119.5 (1/100mm)
When we tested the Vandoren CM308 B45 Traditional Bb Clarinet Mouthpiece, we understood why it is universally recommended by band directors. It features an intermediate tip opening that offers a fantastic balance between resistance and ease of blowing. We found that it allows for significant dynamic changes—from a whisper to a roar—without losing tonal integrity. The sound is crisp, and the upper register has a specific “pop” that many jazz and classical players alike will appreciate.
A minor issue we encountered, which some users also pointed out, was that it can be a bit squeaky if the reed isn’t perfectly matched. However, once we paired it with a Vandoren #2.5 or #3 reed, the performance was stellar. As one user noted, putting a quality mouthpiece like the B45 on an average horn improves the sound tremendously. It is a robust, “all-around” mouthpiece that provides a professional sound at a very accessible price point. It’s particularly effective for students making the jump from their first rental mouthpiece to something more serious.
Pros
- Excellent dynamic range and flexibility.
- Universally acclaimed design by Bernard Van Doren.
- Significant upgrade in tone quality over stock mouthpieces.
Cons
- Sensitive to reed placement; can squeak if not aligned correctly.
- May feel slightly large for those used to smaller student profiles.
#4 Vandoren CM1405 BD5 Clarinet Mouthpiece – Suits: Serious players desiring a dark, stable, and rich tonal profile.
- Amazing clarity, depth and presence
- Unique chamber
The Vandoren CM1405 BD5 Clarinet Mouthpiece, part of the Black Diamond series, is a masterclass in ebonite craftsmanship. In our testing, we found it produced a remarkably dark and stable sound, particularly in the chalumeau (lower) register. The unique internal chamber design provides a depth of sound that we haven’t quite heard in other Vandoren models. It feels less “finicky” regarding reed position, which is a huge plus for performers who need reliability on stage.
Our experience was confirmed by several users who described it as their “Goldie Locks” mouthpiece—the proportions of focus, color, and projection are just right. We found it particularly easy to control during soft passages, allowing for a double-piano that remains resonant rather than airy. While it is one of the more expensive options in the lineup, the flawless intonation and professional presence it provides make it worth every penny for the dedicated amateur or professional. It is best suited for those who have already developed a solid embouchure.
Key Benefits
- Exceptional depth and darkness in the sound profile.
- Flawless intonation across all registers.
- Very stable and less sensitive to minor reed adjustments.
Drawbacks
- Higher price point than other standard Vandoren models.
- Not recommended for absolute beginners.
#5 Vandoren CM318 M30 Bb Clarinet Mouthpiece – Ideal for: Players seeking a harmonious balance between flexibility and roundness of sound.
- Great flexibility with a good balance between timbre and roundness of sound
- Tip Opening - 115 (1/100mm)
We found the Vandoren CM318 M30 Bb Clarinet Mouthpiece to be one of the most flexible options in the range. It features a long facing, which we observed provides a very smooth transition between notes and a warm, “round” timbre. During our play-tests, articulation felt noticeably sharper and more precise. It’s a mouthpiece that encourages expressive playing, making it a favorite for soloistic work where nuance is key.
User feedback highlights how this mouthpiece can “elevate” a player’s sound immediately. One parent noted that their eighth-grade daughter sounded significantly better instantly, a sentiment her teacher also shared. While it may take a week or so to get used to the specific shape and reed placement, the resulting tone is worth the effort. We recommend pairing this with #3 to #4 reeds for the best results. It’s a solid investment for any intermediate player looking to refine their sonic signature.
Advantages
- Excellent flexibility for expressive playing.
- Improves articulation and note clarity.
- Warm and amazing tone that fills the room.
Limitations
- Requires a brief adjustment period for reed placement.
- May require extra cork grease initially due to a snug fit.
#6 Vandoren CM301 5RV Bb Clarinet Mouthpiece – Perfect for: Discerning clarinetists who prefer a traditional, industry-standard response.
- Time proven standard for musicians worldwide designed by Robert Van Doren
- Tip Opening - 106.5 (1/100mm)
The Vandoren CM301 5RV is the “old reliable” of the clarinet world. Designed by Robert Van Doren himself, it offers a medium-short facing that we found provides a very precise and predictable response. In our evaluation, the 5RV delivered a classic ebonite sound that is neither too bright nor too dark. It is the quintessential “concert mouthpiece” that excels in a band or orchestral setting where blending is crucial.
As one professional user noted, this is a longtime standard for advanced middle school through college players. We found that it pairs best with harder reeds (3.5 to 4.5), which might be a struggle for beginners, but for those with a developed embouchure, the control is unmatched. We also noticed that it provides much better access to the upper register compared to entry-level mouthpieces. It is a professional-grade tool that rewards proper technique with a beautiful, resonant tone.
Pros
- Time-proven industry standard with a classic sound.
- Precise response thanks to the medium-short facing.
- Excellent resonance and upper-register access.
Cons
- Requires harder reeds, which can be difficult for beginners.
- Tends to be more expensive at local retail shops than online.
#7 Vandoren CM3078 B40 Profile Bb Clarinet Mouthpiece – Suits: Professional players looking for a compact, centered sound with a wider tip rail.
- Same facing as B45 with a wider tip rail which produces a compact and centered sound
- Tip Opening - 119.5 (1/100mm)
The Vandoren CM3078 B40 Profile Bb Clarinet Mouthpiece is designed for those who like the facing of the B45 but want more tonal control. We found that the wider tip rail on the B40 creates a more compact and centered sound, which is ideal for soloists who need to cut through an ensemble without sounding thin. The Profile 88 beak again proves its worth here, offering a comfortable angle that we found helpful for maintaining a consistent embouchure.
Our experience was mirrored by users who praised its “sweet high notes” and “smooth sound.” It is a very professional piece of equipment that works beautifully with Vandoren #2 to #3.5 reeds. We found it to be particularly responsive in the altissimo register, producing notes that are focused and “sweet” rather than shrill. If you find the B45 a bit too “spread” in its sound, the B40 is the logical and highly effective next step.
Advantages
- Centered and compact sound profile.
- Wider tip rail provides enhanced tonal control.
- Exceptional performance in the high register.
Drawbacks
- A bit more specialized; may not suit everyone’s taste.
- Reports of occasional shipping issues with used products from some sellers.
#8 Vandoren CM309 B45 Traditional Bb Clarinet Mouthpiece – Best for: Intermediate players who want the B45 sound with significantly easier blowing.
- Very similar to B45 but with a greater blowing ease. Same technical characteristics as the B45 with a great blowing ease.
- Tip Opening - 119.5 (1/100mm)
The “B45 Dot” (CM309) is a fascinating variation of the classic B45. In our tests, we found that it retains the full, round sound of the original but offers a much “freer” blowing experience. This is likely due to the large internal chamber. We found that it allowed for effortless fortes and pianos, making it an excellent choice for students who are developing their breath support but still want a big, professional sound.
One user described the sound as “Angels playing an instrument,” which, while poetic, captures the smoothness and richness we also observed. We found it to be a significant upgrade over stock mouthpieces like the Yamaha 4C, with one user noting it made them feel like a “goddess” due to the immediate tonal improvement. It is a very comfortable mouthpiece that helps players play in tune more easily. Just remember that you will need to purchase a separate ligature, as it is not included.
Key Benefits
- Enhanced blowing ease compared to the standard B45.
- Large chamber produces a full, “round” sound.
- Excellent for developing dynamic control.
Limitations
- Does not include a ligature.
- Larger profile may require a new ligature if your old one is small.
#9 D’Addario MCR-X5 Reserve Bb Clarinet Mouthpiece – Ideal for: Players seeking vintage-inspired craftsmanship with modern precision and consistency.
- The world's first 100% precision-milled vintage-inspired mouthpieces, medium facing
- Proprietary rubber is unique to reserve mouthpieces and is milled, not molded
The D’Addario MCR-X5 is a standout because it is precision-milled from hard rubber rather than molded. This results in a level of consistency that we found impressive across multiple units. In our testing, the X5 provided a warm, rich tone and an incredibly clear response. We particularly liked how it handled the “break” between registers, making those difficult transitions feel much smoother. The throat tones, which can often be thin on the clarinet, felt full and resonant on the X5.
We found that many students who tested this against Vandoren models chose the X5 for its evenness across all registers. One user mentioned it allowed them to play double-piano “like never before.” While we did see one report of the cork tearing early, the playability of the rubber itself is second to none. It’s a professional-grade mouthpiece that brings a 1920s-inspired sound into the modern era with high-tech accuracy. It’s a fantastic alternative for those who haven’t found their perfect match in the Vandoren line.
Advantages
- Precision-milled for unparalleled consistency.
- Full, resonant throat tones and smooth register transitions.
- Beautiful, focused sound suitable for solo or ensemble work.
Drawbacks
- Cork may require extra care and grease to prevent tearing.
- Packaging can sometimes be lackluster depending on the retailer.
#10 andoren M15 Profile 88 Bb Clarinet Mouthpiece – Suits: Classical clarinetists who want a colorful spectrum of sound and precise articulation.
- Easy to articulate with a colorful spectrum of sound
- Tip Opening - 103.5 (1/100mm)
Rounding out our list is the Vandoren M15 Profile 88. This is a more “closed” mouthpiece, which we found requires a harder reed (like a Vandoren V12 3.5 or higher) to truly shine. When paired correctly, the articulation is crisp and unrivaled. We found it produces a very “colorful” spectrum of sound, allowing for a great deal of tonal variety. It’s a favorite among classically trained clarinetists for its ability to produce a warm, focused tone that doesn’t get “thin” in the higher reaches.
One intermediate player noted an “instant improvement” in their tone and found that tonguing became significantly easier. We also found that it “saves air,” allowing for longer phrases without feeling winded. It is an exceptional choice for college-level music students or anyone in a high-level concert band. While it might be too bright for some jazz applications, for classical and symphonic work, it is a top-tier contender that offers “impeccable intonation.”
Key Benefits
- Unrivaled response and crisp articulation.
- Colorful sound spectrum with great tonal variety.
- Helps with air conservation during long phrases.
Limitations
- Requires harder reeds to function correctly.
- May be considered too bright for certain ensemble styles.
The Ultimate Buyer’s Guide
Key Factors to Consider
When searching for the best clarinet mouthpiece, you must consider the tip opening and the facing length. The tip opening is the distance between the reed and the mouthpiece tip; a wider opening generally requires a softer reed and provides a bigger, more flexible sound, while a narrower opening requires a harder reed and offers more control and a purer tone. The facing length affects how much of the reed vibrates; a longer facing can offer a darker sound but may be harder to control for beginners.
The Impact of Mouthpiece Material
Most professional mouthpieces are made from hard rubber (ebonite), which is prized for its warm, resonant tonal qualities and durability. While student mouthpieces are often made of plastic to keep costs down, upgrading to ebonite is usually the first step toward a professional sound. Some specialized mouthpieces are even made of wood or crystal, though these are less common and require specific care.
Common Mistakes to Avoid
- Ignoring Reed Compatibility: Not every reed works with every mouthpiece. Always check the manufacturer’s recommendations for reed strength.
- Sticking with the Stock Mouthpiece Too Long: Many students play on low-quality plastic mouthpieces for years, hindering their progress. An upgrade should happen within the first 1-2 years of playing.
- Choosing Based on Brand Alone: While Vandoren is a leader, the specific model (M13 vs. B45) matters much more than the logo on the side.
Frequently Asked Questions
How do I choose the right clarinet mouthpiece for my skill level?
Beginners should look for mouthpieces with a medium tip opening and facing, like the Vandoren 5RV, which encourages good embouchure development without being too resistant. Advanced players may choose specialized pieces like the M13L or BD5 based on the specific tonal “color” or resistance they prefer for their musical style.
What are the top-rated clarinet mouthpiece brands for 2024?
Vandoren remains the industry leader due to their massive variety of facings and consistent quality. D’Addario (specifically their Reserve line) has also become a top choice for players seeking precision-milled consistency. Other high-end brands include Clark Fobes and Selmer, though they often come at a higher price point.
Does the mouthpiece material significantly affect the clarinet’s tone?
Yes. Plastic mouthpieces tend to sound brighter and sometimes “thinner.” Hard rubber (ebonite) provides a much richer, darker, and more complex harmonic profile. The internal shape of the chamber and the baffle also play a massive role in how the air vibrates and creates sound.
How often should a professional clarinetist replace their mouthpiece?
While a mouthpiece doesn’t “expire,” the rails and tip can wear down over years of use and cleaning. Most professionals evaluate their mouthpiece every 3-5 years. If you notice a change in response or if the “bite” area becomes heavily worn, it’s time for a replacement.
What is the difference between a student and a professional clarinet mouthpiece?
Student mouthpieces are typically molded plastic with very basic internal geometry. Professional mouthpieces are made of ebonite and are often finished or milled to much tighter tolerances, ensuring better intonation, a wider range of dynamics, and a more pleasing tone.
How do tip opening and facing length impact playability?
A larger tip opening allows for more air and flexibility, which is great for jazz or projection, but it can be harder to control. A longer facing gives the reed more room to vibrate, which can lead to a warmer sound but may make articulation feel “slower” if the player’s tongue isn’t well-developed.
Which clarinet mouthpieces provide the most consistent intonation?
Mouthpieces like the Vandoren M13L and the D’Addario Reserve X5 are specifically engineered for stable intonation. The “Series 13” from Vandoren is particularly noted for being tuned to A=440, which is the standard for American orchestras, helping players stay in tune with the ensemble more naturally.
Conclusion: Our Final Recommendation
After analyzing performance, user feedback, and technical specifications, we firmly recommend the Vandoren M13L Profile Clarinet Mouthpiece as the best overall choice. Its unique “Series 13” tuning ensures you stay perfectly in pitch with American ensembles, while the Profile 88 beak provides a level of comfort that allows for hours of effortless playing. We found its ability to produce a rich, centered sound while making the upper register feel “self-propelled” to be a game-changer for any serious clarinetist. Whether you are upgrading from a student model or looking for a professional backup, the M13L delivers a level of purity and ease that is simply unmatched in its class.
Last update on 2026-10-23 / Affiliate links / Images from Amazon Product Advertising API