Integrated sounding device

An integrated sounding device, comprising:

• a housing having a containing space;
• a speaker unit disposed in the containing space and dividing the containing space into a front cavity and a back cavity;
• and
• a fixing member,
• wherein the housing comprises an upper housing and a lower housing engaged with the upper housing;
• a side of the upper housing is provided with a sound outlet communicating with the front cavity;
• the speaker unit comprises a frame, a vibration system fixed to the frame and a magnetic circuit system for driving the vibration system;
• the magnetic circuit system comprises a bottom plate spaced apart from the lower housing, a main magnetic member disposed on the bottom plate and a secondary magnetic member disposed around the main magnetic member for forming a magnetic gap;
• the vibration system comprises a diaphragm fixed to the frame and a voice coil locates in the magnetic gap;
• the diaphragm comprises a first suspension fixed to the frame, a second suspension surrounded by the first suspension and a dome connecting the first suspension and the second suspension;
• the second suspension comprises an inner fixing part fixed to the main magnetic member;
• the fixing member connects the inner fixing part and the upper housing;
• the dome comprises a first side close to the sound outlet and a second side far away from the sound outlet;
• the first side and the second side are respectively arranged at one pair of opposite sides of the fixing member;
• the first side is provided with a first groove, and the second side is provided with a second groove;
• a filler for balancing amplitudes of the first side and the second side is provided in the first groove.