Speaker

A speaker comprising:

• a magnetic circuit;
• a first vibrating portion that includes a first bobbin, a first coil, and a first damper;
• and
• a second vibrating portion that includes a second bobbin, a second coil, a second damper, and a weight,
• wherein the magnetic circuit includes:
• a first magnet,
• a first magnetic member that is attached to the first magnet,
• a first yoke that is attached to the first magnet, and that forms a first magnetic gap between the first yoke and the first magnetic member, and
• a second yoke that forms a second magnetic gap between the second yoke and the first yoke,
• wherein the weight is disposed so as to surround the second bobbin, and
• wherein the weight includes a concave portion that enlarges a spacing between the weight and the second bobbin, at a circumferential direction portion thereof.