Provided in the present invention is a
loudspeaker, which comprises a frame, and a vibration
system and a
magnetic circuit system that are fixed to the frame, wherein the vibration
system comprises a diaphragm fixed to the frame, a
voice coil that drives the diaphragm to vibrate and produce sound, and a
bobbin connecting the diaphragm and the
voice coil; the diaphragm comprises a first surround, a second surround disposed on an outer side of the first surround, and a dome disposed between the first surround and the second surround; the dome comprises a body portion, a first extension portion bent and extending from an inner
peripheral edge of the body portion in a direction approaching the
bobbin, and a second extension portion bent and extending from the first extension portion in a direction approaching the first surround; an outer
peripheral edge of the body portion and the second extension portion are fixed to the
bobbin; and an outer
peripheral edge of the first surround is fixed to the second extension portion. The
loudspeaker provided in the present invention has better reliability and higher stability of acoustic performance.