The bass drum in marching is known as the "big drum". It has important rhythmic tasks in the orchestra or marching. The big drum is carried directly in front of the burst and struck with two mallets on either side.
DIMAVERY MB-424 March. Bass Drum,24x12 Professional marching Bassdrum Wooden shells with lamenated covering Chrome hardware Incl. padded and adjustable alu shoulder frame 60,96 cm (24")x 30,48 cm (12")
DIMAVERY MB-428 March. Bass Drum,28x12 Professional marching Bassdrum Wooden shells with lamenated covering Chrome hardware Incl. padded and adjustable alu shoulder frame 71,12 cm (28") x 30,48 cm (12")