An electroacoustic device, comprising: a box (10, 10c, 10d, 40) defining an opening (11, 421); an electroacoustic component comprising: a frame (21, 21c, 21d, 60) installed inside the box (10, 10c, 10d, 40) and defining a leaking channel (211, 211c, 211d, 61) passing through the frame (21, 21c, 21d, 60); a vibrating membrane (22, 50) assembled on the frame (21, 21c, 21d, 60) and covering the opening (11, 421), wherein the frame (21, 21c, 21d, 60) and the vibrating membrane (22, 50) cooperatively define a chamber (24, 45) communicated with the leaking channel (211, 211c, 211d, 61); and a driving assembly (23, 70) disposed in the chamber (24, 45) and configured to drive the vibrating membrane (22, 50) to vibrate; and a plurality of partition nets (30, 80) set inside the box (10, 10c, 10d, 40) and outside the chamber (24, 45), wherein a space between the frame (21, 21c, 21d, 60) and the box (10, 10c, 10d, 40) is divided into a plurality of cavities (12, 46) by the plurality of partition nets (30, 80), at least one of the plurality of cavities (12, 46) is filled with sound absorption material (13, 47), each of the plurality of partition nets (30, 80) defines a plurality of net holes, and the plurality of cavities (12, 46) are communicated with the chamber (24, 45) through the leaking channel (211, 211c, 211d, 61), characterized in that a particle size of the sound absorption material (13, 47) filled in one of the plurality of cavities (12, 46) closer to the frame (21, 21c, 21d, 60) is larger than a particle size of the sound absorption material (13, 47) filled in other ones of the plurality of cavities (12, 46) farther from the frame (21, 21c, 21d, 60); and a size of each of the plurality of net holes of one of the plurality of partition nets (30, 80) closer to the frame (21, 21c, 21d, 60) is larger than a size of each of the plurality of net holes of other ones of the plurality of partition nets (30, 80) farther from the frame (21, 21c, 21d, 60). a box (10, 10c, 10d, 40) defining an opening (11, 421); an electroacoustic component comprising: a frame (21, 21c, 21d, 60) installed inside the box (10, 10c, 10d, 40) and defining a leaking channel (211, 211c, 211d, 61) passing through the frame (21, 21c, 21d, 60); a vibrating membrane (22, 50) assembled on the frame (21, 21c, 21d, 60) and covering the opening (11, 421), wherein the frame (21, 21c, 21d, 60) and the vibrating membrane (22, 50) cooperatively define a chamber (24, 45) communicated with the leaking channel (211, 211c, 211d, 61); and a driving assembly (23, 70) disposed in the chamber (24, 45) and configured to drive the vibrating membrane (22, 50) to vibrate; and a frame (21, 21c, 21d, 60) installed inside the box (10, 10c, 10d, 40) and defining a leaking channel (211, 211c, 211d, 61) passing through the frame (21, 21c, 21d, 60); a vibrating membrane (22, 50) assembled on the frame (21, 21c, 21d, 60) and covering the opening (11, 421), wherein the frame (21, 21c, 21d, 60) and the vibrating membrane (22, 50) cooperatively define a chamber (24, 45) communicated with the leaking channel (211, 211c, 211d, 61); and a driving assembly (23, 70) disposed in the chamber (24, 45) and configured to drive the vibrating membrane (22, 50) to vibrate; and a plurality of partition nets (30, 80) set inside the box (10, 10c, 10d, 40) and outside the chamber (24, 45), wherein a space between the frame (21, 21c, 21d, 60) and the box (10, 10c, 10d, 40) is divided into a plurality of cavities (12, 46) by the plurality of partition nets (30, 80), at least one of the plurality of cavities (12, 46) is filled with sound absorption material (13, 47), each of the plurality of partition nets (30, 80) defines a plurality of net holes, and the plurality of cavities (12, 46) are communicated with the chamber (24, 45) through the leaking channel (211, 211c, 211d, 61), characterized in that a particle size of the sound absorption material (13, 47) filled in one of the plurality of cavities (12, 46) closer to the frame (21, 21c, 21d, 60) is larger than a particle size of the sound absorption material (13, 47) filled in other ones of the plurality of cavities (12, 46) farther from the frame (21, 21c, 21d, 60); and a size of each of the plurality of net holes of one of the plurality of partition nets (30, 80) closer to the frame (21, 21c, 21d, 60) is larger than a size of each of the plurality of net holes of other ones of the plurality of partition nets (30, 80) farther from the frame (21, 21c, 21d, 60).