Speaker and headset

A headset, comprising a speaker, wherein the speaker comprises a first magnetic body, a second magnetic body, a basket, a first voice coil, a first diaphragm, a second voice coil, and a second diaphragm;

• wherein the first magnetic body is disposed around an outer circumference of the second magnetic body, and there is a gap between the first magnetic body and the second magnetic body;
• wherein the basket comprises a peripheral part and a basket top connected to the peripheral part, the peripheral part is disposed around an outer circumference of the first magnetic body, and there is a first magnetic gap between the peripheral part and the first magnetic body;
• wherein the first diaphragm and the second diaphragm are separately located on two opposite sides of the basket top;
• wherein the first voice coil is connected to the first diaphragm, there is a preset gap between the first diaphragm and the basket top, the first voice coil is located in the preset gap, the first magnetic body and the basket top are combined to form a magnetic loop with the second magnetic body, and the first voice coil, the first magnetic body, the second magnetic body, and the basket top are fitted to drive the first diaphragm to vibrate;
• and
• wherein the second voice coil is connected to the second diaphragm, a partial structure of the second voice coil extends into the first magnetic gap, a magnetic loop is formed between the first magnetic body and the peripheral part, and the second voice coil, the first magnetic body, and the peripheral part are fitted to drive the second diaphragm to vibrate.