bass drum
US /ˌbeɪs ˈdrʌm/
UK /ˌbeɪs ˈdrʌm/

1.
a large drum that produces a low-pitched sound, used in orchestras, marching bands, and rock music
:
•
The powerful beat of the bass drum resonated through the concert hall.
•
He used a foot pedal to play the bass drum.