The present disclosure provide a speaker, including a vibrating system and a magnet portion driving the vibrating system, the vibrating system includes a diaphragm and a voice coil driving the diaphragm to vibrate, the diaphragm includes a first fixing portion, a second fixing portion and a vibrating portion connected between the first fixing portion and the second fixing portion, the first fixing portion is fixed on the magnet portion, the second fixing portion is fixed on the frame, the vibrating portion includes a vibrating main portion and a first suspension and a second suspension provided at two ends of the vibrating main portion, the vibrating main portion vibrates at a side of the magnet portion under driving of the voice coil, the magnet portion is provided with an avoiding step at a position corresponding to the first suspension so as to avoid vibration of the first suspension.