Detail 01
4C facing
Yamaha's middle-of-the-road tip opening. Easy response with moderate reeds, no fight to get sound out.
Product detailSKU #1274115035077
Yamaha4C Bass Clarinet Mouthpiece
Independent shopping perspective
The Korena take
Yamaha's standard student bass clarinet mouthpiece. A sensible replacement or first upgrade over an unbranded stock piece.
Strong match
Who this is for
- Students starting bass clarinet in school band
- Replacing a chipped or lost stock mouthpiece
- Doublers needing a reliable backup in the case
Consider the trade-offs
When to look elsewhere
- Advanced players seeking a specific tonal signature
- Soprano or alto clarinet players — wrong size entirely
- Anyone wanting a hand-finished professional mouthpiece
What matters in use
The specifications, translated
Catalog numbers tell only part of the story. These are the details most likely to change how this product feels, sounds, or fits into a setup.
Detail 02
Bass clarinet specific
Bore and shank match a bass clarinet neck only. It will not fit a soprano or alto instrument.
Detail 03
Under $50
Cheaper than most step-up mouthpieces, so a chipped tip is annoying rather than a financial event.
Detail 04
Student-tier design
Consistent, forgiving blank. Good for building embouchure before chasing a personal sound.
Final check
Know before you order
- 01No ligature, cap or reeds included — budget for those separately
- 02Bass clarinet reeds are much larger than soprano reeds; check your stock
- 03Confirm your ligature fits this blank before your next rehearsal
Product questions
Before you decide
Straight answers to the questions shoppers most often ask about this product.
01Will this fit my Bb soprano clarinet?
No. This is sized for bass clarinet. The shank is larger and will not seat on a soprano clarinet barrel or neck.
02Does it include a ligature and cap?
Not indicated. Plan on using your existing ligature and cap or buying them separately.
03What reed strength should I use with a 4C?
The 4C's moderate tip opening pairs well with mid-strength bass clarinet reeds. Students often start softer and move up as embouchure develops.
04Is this an upgrade over the mouthpiece that came with my rental?
Usually yes. Stock mouthpieces on entry instruments are inconsistent. The 4C gives a more predictable response point to learn on.
