Turn off the sound button, 4 letters
Accessory for Miles Davis, 4 letters
Commercial silencer, 4 letters
Flugelhorn accessory, 4 letters
Garrulous as a clam, 4 letters
Incapable of speech, 4 letters
Instrumental muffler, 4 letters
Instrumental silencer, 4 letters
It might be pressed when the phone rings, 4 letters
Like Penn & Teller's Teller, 4 letters
Make a silent movie?, 4 letters
Make less bright, as colors, 4 letters
Make less flamboyant, 4 letters
Musician's device also called a sordino, 4 letters
Remote control button, 4 letters
Remote control command, 4 letters
Remote control option, 4 letters
Remote possibility?, 4 letters
Silent Shoshone after 1,000, 4 letters
Sound-cutting TV remote button, 4 letters
Sound-killing button, 4 letters
Sound-stopping remote button, 4 letters
Trombone attachment, 4 letters
Trombonist's accessory, 4 letters
Trumpeter's accessory, 4 letters
Universal remote button, 4 letters
A deaf person who is unable to speak, 4 letters
A device used to soften the tone of a musical instrument, 4 letters
It may be pressed during a conference call, 10 letters
Cut off, as the audio, 5 letters
Like a subdued trumpet, 5 letters
Like a trumpet, at times, 5 letters
Like annoying commercials, sometimes, 5 letters
No longer bright, as colors, 5 letters
Set the volume of to zero, 5 letters
So as not to be overheard, say, 5 letters
Squelched the audio, 5 letters
Toned down, as some trumpets, 5 letters
Toned down, as sound, 5 letters
Turned down the sound, 5 letters
Turned off the play-by-play, 5 letters
Turned off, as the sound, 5 letters
Used a remote option, 5 letters
In a toned-down way, 7 letters
It says, 'The film depicts a ___.' Can't argue there; I dozed right off., 13 letters
How Harpo performed, 6 letters
In an unspeakable way, 6 letters
A refusal to speak when expected, 8 letters
Where silence reigns?, 9 letters
Speechless moments?, 10 letters
Remote control, at times, 5 letters
Does a muffler's job, 5 letters
Hits a certain remote control button, 5 letters
Remote control buttons, 5 letters
Trombonist's accessories, 5 letters
Trumpet accessories, 5 letters
Trumpeter's collection, 5 letters
Turns off the sound, 5 letters
Zaps the sales talk, 5 letters
Dance done without talking?, 9 letters