Coaxial speaker

A coaxial speaker, comprising:

• a frame;
• a magnetic circuit system mounted on the frame;
• a first vibration system fixed on a side of the frame distal to the magnetic circuit system, the first vibration system comprising a first diaphragm and a first voice coil driving the first diaphragm to generate sounds;
• and
• a second vibration system fixed on a side of the magnetic circuit system distal to the frame, the second vibration system located coaxially with the first vibration system, the second vibration system comprising a second diaphragm and a second voice coil driving the second diaphragm to generate sounds;
• wherein the magnetic circuit system comprises a magnetic guiding plate, a first magnet disposed on a side of the magnetic guiding plate proximal to the first diaphragm, a second magnet surrounding the first magnet and spaced apart from the first magnet to form a first magnetic gap, a third magnet surrounding the second magnet and spaced apart from the second magnet, and a forth magnet fixed on a side of the magnetic guiding plate proximal to the second diaphragm, the forth magnet, the magnetic guiding plate, and the second magnet stacked in sequence and forming a second magnetic gap with the third magnet, the first voice coil at least partially located into the first magnetic gap, the second voice coil at least partially located into the second magnetic gap.