Loudspeaker and electronic equipment

The embodiment of the invention provides a loudspeaker and electronic equipment. The loudspeaker comprises a first sound production unit and a second sound production unit. The first sound production unit comprises a first magnetic piece and a first voice coil, the first voice coil is located on the first side of the first magnetic piece, the second sound production unit comprises a second magnetic piece and a second voice coil, the second magnetic piece is located on the second side of the first magnetic piece, and the second voice coil is located on the fourth side of the second magnetic piece; the magnetism of at least part of second magnetic parts on the third side opposite to at least part of first magnetic parts on the second side is set to be opposite, so that the first magnetic parts and the second magnetic parts jointly generate an annular magnetic field, namely a magnetic loop, and the magnetic induction intensity of opposite units is mutually enhanced; namely, the common magnetic circuit system has