Answer:

mutes

Answer	Crossword Clue
MUTES	Brass mufflers
MUTES	Trumpet adjuncts
MUTES	Brass accessories

MUTES	Silences
MUTES	Remote buttons
MUTES	Muffles
MUTES	Trumpet mufflers
MUTES	Deadens
MUTES	Makes an unsound decision about?
MUTES	Tones down
MUTES	Quiets down

MUTES	Squelches, as sound
MUTES	Softens
MUTES	Trumpet accessories
MUTES	Trumpeter's collection
MUTES	Makes softer
MUTES	Turns off, as sound
MUTES	Muffles.
MUTES	Music deadeners.

MUTES	Devices to soften the tones of musical instruments.
MUTES	Trumpet mufflers.
MUTES	Sourdines.
MUTES	Silent letters.
MUTES	Mufflers, in music.
MUTES	Musicians' needs.
MUTES	Musical appurtenances.
MUTES	Trumpet inserts

MUTES	Sordines
MUTES	Soft-pedals
MUTES	Softens the sound
MUTES	Sordini
MUTES	Quiets
MUTES	Does a muffler's job
MUTES	Remote features
MUTES	Softens, as tone

MUTES	Zaps ads
MUTES	Subdues, in a way
MUTES	Zaps the sales talk