Mutes
A device inserted into or over a brass instrument's bell to alter its tone or reduce its volume. The most common types are the straight mute (a bright, focused, slightly nasal sound, used when a classical score calls for "con sordino"), the cup mute (a mellower, muffled tone), and the Harmon mute (a raspy, metallic "wah-wah" sound, with a removable adjustable stem). A separate category, the practice mute, exists specifically to significantly reduce volume for quiet practice rather than to change tone color.
Who should choose the mutes
Mutes are typically made of metal, fiber, or a combination, and are sized specifically per instrument (a trumpet mute will not fit a trombone or tuba) — always confirm the mute is made for the specific instrument and bell size being used.
Buying guidance for beginners and level progression
A beginner or school-band student generally only needs a straight mute to start, since it is the most commonly requested type in band and orchestra parts; a practice mute is a worthwhile second purchase for a student practicing somewhere volume is a concern (e.g. an apartment). Cup and Harmon mutes are more specialized and usually worth waiting on until a specific piece calls for one.
Common problems
- A mute that doesn’t sit properly in the bell is almost always a size mismatch for the instrument, not a defect.
- Different mute types genuinely change tone color, not just volume — pick the type the music actually calls for.
Related instruments
Frequently asked questions
This FAQ reflects our own desk research. We'll add an "expert reviewed" label once a named, credentialed reviewer has been engaged for this subject.
A straight mute — it is the type most commonly called for in band and orchestra parts. A practice mute is a useful second purchase for quiet home practice.
No — mutes are sized specifically per instrument and bell size. Always buy a mute made for the specific instrument.