Provided is a speaker, including a holder, a vibration unit and a magnetic circuit unit, and a holder pad. The vibration unit includes a first diaphragm, a voice coil configured to drive the first diaphragm to vibrate and emit sound, and a flexible circuit board. The holder includes a bottom surface facing away from the first diaphragm, and the flexible circuit board is fixed to the bottom surface. The holder pad is arranged correspondingly to the flexible circuit board and sandwiched between the bottom surface and the flexible circuit board. The holder pad includes a first pad electrically connected to the flexible circuit board, a second pad exposed out of the holder, and a connection portion connecting the first pad with the second pad. The first pad is electrically conducted with the second pad, and the second pad is connected to an external circuit.