Abstract: A speaker unit has at least a part that is installed in a first space separated by a wall from a second space in which a sound to be output by the speaker unit is listened to. The speaker unit includes a first speaker, a second speaker, a speaker connector that interconnects the first speaker and the second speaker so that back surfaces of the first speaker and the second speaker oppose each other, a first spacer that interconnects the first speaker and a first opening of the wall, and a second spacer that interconnects the second speaker and a second opening of the wall. The first speaker, the second speaker, the speaker connector, the first spacer and the second spacer are integrally connected to each other.