Speaker box

A speaker box, comprising:

• a housing including a bottom, a side connected with the bottom, and a rear volume formed by the side and the bottom, the side including a first side and a second side connecting with the first side;
• a speaker unit coupled with the housing, including a frame, a magnetic circuit unit accommodated in the frame, a vibration unit positioned above the magnetic circuit unit and fixed to the frame, and a front volume formed by the vibration unit, the frame and the magnetic circuit unit, the front volume being communicated with the rear volume;
• wherein
• the frame includes a first sidewall abutting against the first side, and a second sidewall connecting with the first sidewall, the first side includes a first mounting portion extending away from the bottom, the first sidewall includes a second mounting portion engaging with the first mounting portion, and an exterior surface of the first sidewall is coplanar with an exterior surface of the first side, and
• wherein the first side includes a recess for cooperating with the first mounting portion, and an exterior surface of the second sidewall abuts against an interior surface of the second side.