640 results about "Bass (sound)" patented technology

The present invention provides a coaxial speaker including a fixing member, a magnetic circuit system, a voice coil, a first vibration system connected with the voice coil, and a second vibration system connected with the voice coil and arranged surrounding the first vibration system. The second vibration system locates coaxially with the first vibration system. The first vibration system includes a first diaphragm and a first support connecting the first diaphragm and the voice coil. The second vibration system includes a second diaphragm and a second support connecting the second diaphragm and the voice coil. The first diaphragm is used for generating treble sound. The second diaphragm is used for generating bass sound. Bass sound and treble sound form a full-range speaker, providing high-quality sound. Moreover, the assembly process is simplified by sharing voice coil, which improves assembly efficiency and reduces costs.

A loudspeaker assembly is disclosed that includes a headrest having a front face and a rear face; a bass dipole loudspeaker mounted to the headrest, wherein the loudspeaker includes a diaphragm having first and second radiating surfaces, wherein the radiating surfaces are located on opposite faces of the diaphragm, wherein the diaphragm moves at bass frequencies such that the radiating surfaces produce sound; a bass waveguide to guide bass produced by the first radiating surface via a forward-facing opening provided by the waveguide, wherein the loudspeaker is mounted such that bass produced by the second radiating surface propagates out from the rear face and such that the first radiating surface is closer to the rear face than to the front face. The forward-facing opening is larger than the first radiating surface as projected onto a plane perpendicular to a movement axis of the loudspeaker.

A wall-mounted audio device is provided, including: a display component; a wall-mounted box body, wherein a front panel is provided with a rim region and a display region; the display component is arranged in the display region; a rear panel of the wall-mounted box body is provided with a wall connector; a speaker module, arranged inside the wall-mounted box body a sound output end of the speaker module faces the sound outlet hole; and an mesh. The mesh is detachably connected to the front panel of the wall-mounted box body. The display component is a liquid crystal display screen. The speaker module includes a speaker module housing and one or more transducers designed on the speaker module housing. The speaker module housing is provided with a bass enhancement port. The rear panel of the wall-mounted box body is provided with a wire receiving slot.

The invention discloses a sound production device and electronic equipment, and relates to the technical field of electroacoustic transduction, the sound production device comprises a shell, a magnetic circuit system and a vibration system, a common magnetic part of a bass magnetic circuit part in the magnetic circuit system is respectively separated from a central magnetic part and a side magnetic part to form a first bass magnetic gap and a second bass magnetic gap, the high-pitch magnetic circuit part is located on the outer side of the edge magnetic part, a first low-pitch voice coil of a low-pitch vibration unit in the vibration system corresponds to the first low-pitch magnetic gap, a second low-pitch voice coil of the low-pitch vibration unit corresponds to the second low-pitch magnetic gap, and the high-pitch vibration unit is connected to the shell and is opposite to the high-pitch magnetic circuit part in a spaced mode. According to the sound production device, the utilization rate of the magnetic circuit system is effectively improved, and the BL value is improved, so that the loudness and the sensitivity of the sound production device are improved, and full frequency and miniaturization are realized.

The invention provides an audio data processing method, electronic equipment, a storage medium and a computer program product, and the method comprises the steps: extracting audio feature information from target audio data according to a feature extraction strategy corresponding to a specified classification algorithm; classifying the audio feature information according to the specified classification algorithm to obtain a music type of the target audio data; calling a sound effect enhancement strategy matched with the music type, and performing sound effect enhancement processing on the target audio data; wherein the sound effect enhancement strategy refers to an adjustment mode of an equalizer, a reverberation mode and a bass enhancement function. According to the scheme, classification and sound effect enhancement of the audio data are realized under the condition of relatively low hardware requirements and resource consumption.

The double-loudspeaker OWS Bluetooth earphone comprises a main body, an ear hook or a rear cover is arranged on the main body, a Bluetooth module is arranged in the main body or the ear hook or the rear cover, and a first cavity for placing a first loudspeaker and a second cavity for placing a second loudspeaker are arranged in the main body. The main body is provided with a first sound outlet hole and a second sound outlet hole, the first sound outlet hole is communicated with the first cavity and the second cavity, the periphery of the second cavity is provided with a sound guide tube, one end of the sound guide tube is communicated with the second cavity, and the other end of the sound guide tube is communicated with the second sound outlet hole. According to the structure, the sound of the first loudspeaker and the second loudspeaker can be independently processed and transmitted, the sound interference is avoided, and the sound quality is improved; and the sound of the second loudspeaker can be more directly and effectively transmitted to the second sound outlet hole through the sound guide tube, so that the definition and directivity of the sound are improved, sound leakage is avoided, the loss of low-pitch details is reduced, and high-fidelity sound quality is provided.

There is provided a headrest housing a dipole loudspeaker for producing sound at bass frequencies in a forward direction and in a rear direction, a response 180 degrees out of phase from respective front and rear resonating surfaces. The headrest includes a waveguide formation to isolate sound from travelling through the headrest between the front surface and the rear surface. The headrest also includes an attachment formation, and the attachment formation suspends the first frame of the dipole loudspeaker and acts as a secondary suspension system. By including waveguide formations, the sound from the front surface of the dipole speaker can be guided outside of the headrest, wherein the shortest path from the front surface to the back surface is extended to be around the outside of the headrest. Guiding the sound path to be external to the headrest, prevents internal sound guiding compressing the intended path length.

The invention discloses a multi-channel audio calibration method, system and device and a storage medium, and relates to the technical field of audio, and the method comprises the steps: collecting and separating a main sound channel signal and a bass sound channel signal in a multi-channel audio signal; detecting time delay between a main sound channel and a bass sound channel based on a phase correlation algorithm, and performing adaptive delay compensation; the state change of the audio signal is monitored in real time, and before or when a signal switching event is detected, gradient gain envelope is applied to the bass sound channel signal, so that the signal amplitude gradually changes to a target value according to a preset nonlinear curve; a sonic boom event is analyzed and identified based on multi-dimensional characteristics, a self-adaptive amplitude limiter with a prospective processing capability is started for suppression, and harmonic distortion compensation and phase correction are carried out on a processed signal, so that the problems of signal asynchronization caused by low-frequency output delay of an audio system in the prior art, and the system reliability is improved are solved. Therefore, the low-frequency sound quality and the system stability are improved.

The present invention provides a coaxial speaker including a frame, a magnetic circuit system, a first vibration system fixed on an inner side of the frame, and a second vibration system fixed on an outer side of the frame. The first vibration system locates coaxially with the second vibration system. The first vibration system includes a first diaphragm and a first voice coil. The second vibration system includes a second diaphragm and a second voice coil. The magnetic circuit system includes a first magnetic gap and a second magnetic gap. The first voice coil at least partially locates into the first magnetic gap, the second voice coil at least partially locates into the second magnetic gap. The first diaphragm is used for generating treble sound, and the second diaphragm is used for generating bass sound. Bass sound and treble sound form a full-range speaker, providing high-quality sound.

An electronic instrument includes a casing, a controller having multiple operation elements provided in connection with the casing and aligned in a left-right direction of the casing, a sound emitting unit including a low-pitched sound emitting unit provided on a first side in the left-right direction in the casing and configured to emit a low-pitched sound and a high-pitched sound emitting unit provided on a second side in the left-right direction in the casing and configured to emit a high-pitched sound, and a reflection unit having a reflection surface configured to reflect a sound and provided between the low-pitched sound emitting unit and the high-pitched sound emitting unit in the casing, and the reflection unit is configured such that the reflection surface is inclined towards the high-pitched sound emitting unit with respect to the left-right direction.

The invention relates to an in-ear earphone with a caisson structure, and the earphone comprises a front cavity shell which is provided with a front cavity and a sound outlet communicated with the front cavity, and the sound outlet is sleeved with an earcap; the rear cavity shell is provided with a rear cavity communicated with the front cavity, a caisson structure part is arranged in the rear cavity and comprises an upper-layer caisson structure, a middle-layer caisson structure and a lower-layer caisson structure which are sequentially connected, the middle-layer caisson structure is located on the outer side of the upper-layer caisson structure, and the diameter of the middle-layer caisson structure is larger than that of the upper-layer caisson structure; the lower-layer caisson structure is located outside the middle-layer caisson structure and is larger than the middle-layer caisson structure in diameter; the sound production unit is arranged in the front cavity and the rear cavity; the caisson structure part is arranged in the rear cavity, the cavity is formed between the caisson structure part and the sound production unit, upward diffusion of sound is avoided, the sound gathering effect is achieved by scientifically applying the acoustic phase inversion hole principle, and meanwhile in order to enhance low-frequency response and improve sound quality, the phase inversion hole enables the bass to be cleaner and reduces distortion by reducing back wave reflection of the bass unit.

This disclosure relates generally to electronic musical instruments, systems, and methods. More particularly, this disclosure relates to electronic percussion instruments such as tom toms, snare drums, bass drums, cymbals, and hi-hats, and assemblies of instruments (e.g., percussion instruments), such as drum sets. Even more particularly, this disclosure relates to wireless electronic percussion instruments, and percussion instruments with interchangeable and / or removable components to change the instrument between a traditional percussion instrument (that relies on resonance and / or vibration to produce sound) and an electronic percussion instrument. The present disclosure also relates to electronic cymbal instruments, such as cymbal assemblies and hi-hat assemblies, that can be used in conjunction with a traditional acoustic metal cymbal.

The utility model belongs to the technical field of sofas, and particularly relates to a sound equipment surrounding sofa which comprises a sofa body, a sound equipment group, a woofer and a power amplifier, the sound equipment group is arranged in the sofa body, and the sofa body is arranged in a semi-surrounding structure; the sound equipment group comprises a plurality of full-frequency loudspeakers which are respectively arranged at two ends and the middle part of the sofa body; the woofer is arranged at the lower end in the sofa body; the power amplifier is arranged at the lower end of the interior of the sofa body, the sound set and the woofer are both connected with the power amplifier, and the power amplifier is connected with an external power supply, so that the sound set and the woofer are integrated in the sofa body, the requirement for an independent loudspeaker is eliminated, and precious indoor space is saved; the full-frequency horns are arranged at the two ends and the middle of the sofa body respectively, the surrounding sound effect is formed on the sofa body, the bass horns are closer to the bottom of the sofa body, bass can be reflected on the ground, and the bass effect is enhanced.

A single enclosure multi-channel loudspeaker product 500 can use a transducer arrangement and signal processing system and method to generate the Stereo Dimensional Array (“SDA”) effect (with effective interaural crosstalk cancelation (IACC)) including the generation of four distinct projections of sound in a listener's space from only three mid-bass drivers (e.g. 508L, 508C and 508R). The system and method of the present disclosure are configurable in a very compact soundbar 500 whose transducer arrangement permits reduced size and reduced driver count by employing a single center channel mid-bass transducer 508C with signal processing permitting reproduction of the two (L and R) channels associated with stereo or the multiple (e.g., 5.1.2) channels of home-theater audio bitstreams.

A head-worn sound reproduction device is provided in the form of left and right earphones, which can either be clipped to each ear or mounted on other headgear. The earphones deliver high fidelity audio to a user's eardrums from near-ear range, in a lightweight form factor that is fully “non-blocking” (allows coupling in and natural hearing of ambient sound). Each earphone has a woofer component that produces bass frequencies, and a tweeter component that produces treble frequencies. The woofer outputs the bass frequencies from a position close to the ear canal, while the tweeter outputs treble frequencies from a position that is either close to the ear canal or further away. In certain embodiments, the tweeter is significantly further from the ear canal than the woofer, leading to a more expansive perceived “sound stage”, but still with a “pure” listening experience.

The utility model discloses an off-ear type loudspeaking assembly and a helmet, the off-ear type loudspeaking assembly comprises a housing, a loudspeaker and an exhaust channel, the housing is internally provided with an accommodating cavity, and the housing is provided with a sound guide port and an exhaust port; the loudspeaker is installed in the containing cavity and provided with a first side and a second side which are oppositely arranged, the first side and one end of the containing cavity are spaced to form a sound guide interval, and the sound guide interval is communicated with the sound guide opening; the second side and the other end of the containing cavity are spaced to form an exhaust interval, and the exhaust interval communicates with the exhaust port. The exhaust channel is arranged outside the exhaust port, and the exhaust port is communicated with the exhaust channel and the exhaust interval, so that the second side is communicated with the outside of the shell. The off-ear loudspeaking assembly can reduce the bass offset phenomenon between the rear side and the front side of the loudspeaker, and provides a high-quality sound effect for a user. According to the helmet, sound can be guided to human ears through the off-ear loudspeaking assembly, the helmet does not cover the human ears, a user can hear environmental sound while enjoying music, and the helmet is safer to use.

Some embodiments of the utility model relate to a display technology. Especially to a display device. The display equipment comprises a rear shell and a bass sound box, the bass sound box comprises a box body, a bass loudspeaker and an outer cover, and a bass sound cavity is formed in the box body to install the bass loudspeaker; the first sound outlet through hole is formed in the rear shell, and the second sound outlet through hole is formed in the box body, so that a sound basin of the bass loudspeaker is exposed out of the outer side of the rear shell through the second sound outlet through hole and the first sound outlet through hole, a gap reserved between the box body and the rear shell is saved, and the installation occupied space of the bass loudspeaker box in the thickness direction is reduced; the outer cover is connected to the sound cone of the bass loudspeaker, so that the sound cone can be protected, and the outer cover vibrates under the driving of the sound cone to play a role in radiating sound waves.

The invention relates to a multifunctional loudspeaker box table lamp and belongs to the technical field of loudspeaker box table lamps. The table lamp and the loudspeaker box are combined into a whole, the occupied area of a table top is reduced, storage and management are convenient, the weight is basically concentrated in the main control base and the loudspeaker box at the low position, and stability is good; 360-degree rotation of the table lamp supporting rod relative to the loudspeaker box with the axis of the table lamp supporting rod as a rotating shaft is achieved through the rotating connecting base, 180-degree swing of the rotating connecting assembly with the hinge shaft of the hinge head as the axis is achieved through the hinge head, and 360-degree rotation of the table lamp holder with the axis of the rotating connecting assembly as a rotating shaft is achieved through the rotating connecting assembly. The requirement for all-direction illumination in daily illumination can be met, and adjustment is convenient and fast; the supporting disc ensures that sound waves of the bass loudspeaker can be smoothly spread downwards, meanwhile, the sound waves are guided, diffused and spread through the conical structure, vibration formed by multiple times of reflection of the sound waves between the structures is avoided, equipment vibration caused by potential energy of the sound waves is effectively reduced, equipment stability is ensured, and the sound effect is improved.

The utility model discloses a folding twelve-product six-string guitar, which belongs to the technical field of intelligent musical instruments, and comprises a guitar box, a guitar handle and a guitar head, an intelligent sound box is arranged in the guitar box, the intelligent sound box is electrically connected with a music chip, the music chip is electrically connected with a sound pick-up, and the sound pick-up is electrically connected with the guitar box. A music chip is arranged in the guitar head, a control module is stored in the music chip, the control module comprises a mode switching key arranged on the guitar head, a chord switching key arranged on the guitar handle and a plurality of groups of control keys arranged on the guitar box, and a display panel used for displaying the state of the control module is arranged on the guitar box. According to the utility model, the intelligent sound box and the music chip are arranged in the guitar box, the mode is set through the mode switching key before playing, treble and bass, volume, timbre, sound effect and the like are set through each group of control keys, and musical sound can be played through the intelligent sound box by shifting the trigger string during playing, so that fool operation is realized, and various timbres, sound effects and the like can be realized.

The invention provides a loudspeaker and electronic equipment, and the loudspeaker comprises a support which is provided with an accommodation cavity with openings at two sides; the vibration system is connected to the support and covers the opening in one side of the containing cavity. The driving system is connected to the support and covers the opening in the other side of the containing cavity, and the driving system is used for driving the vibration system to vibrate so as to generate sound waves; the driving system comprises a phase inversion plug, the phase inversion plug is provided with at least one phase inversion channel, one end of the phase inversion channel is a sound inlet hole, and the sound inlet hole is located in the accommodating cavity; and the other end is a sound outlet hole which is located outside the accommodating cavity. According to the loudspeaker, the phase inversion channel is arranged on the phase inversion plug, and the sound in the accommodating cavity is transmitted to the outside of the loudspeaker through the phase inversion channel, so that the sound is superposed with the sound wave on the surface of one side, far away from the driving system, of the vibration system, a low-frequency enhancement effect is formed, a fuller and more powerful bass effect is realized, distortion is reduced, and the overall sound quality is improved. And the bass cut-off frequency is effectively reduced, so that the playback effect of the loudspeaker is better.

The invention provides a composite loudspeaker. The composite loudspeaker comprises a frame, a vibration system and a magnetic circuit system, wherein the vibration system and the magnetic circuit system are respectively fixed on the frame; the magnetic circuit system drives the vibration system to vibrate and produce sound; the vibration system comprises a first bass unit and a treble unit which are arranged on a first surface of the magnetic circuit system and a second bass unit arranged on a second surface of the magnetic circuit system, the first bass unit and the treble unit are coaxially arranged, and the first bass unit is arranged around the outer side of the treble unit; the magnetic circuit system comprises central magnetic steel and side magnetic steel arranged on the periphery of the central magnetic steel; and the central magnetic steel and the side magnetic steel are magnetized reversely. According to the composite loudspeaker, double-sided sound production can be realized, the effective sound radiation area is increased, the frequency response is improved, the structural nonlinearity is reduced, the distortion is reduced, and the sound quality of the loudspeaker is improved; the vibration system comprises the bass sounding unit and the treble unit at the same time, so that the defect of high-frequency frequency response of the loudspeaker is overcome.

The utility model discloses a surround sound system of a near-field top surround loudspeaker. The surround sound system comprises a support main body; the number of the near-ear loudspeaker modules is two, and the near-ear loudspeaker modules are respectively connected with the two ends of the support main body; each group of near-ear loudspeaker module comprises a plurality of loudspeaker units; and the top loudspeaker module is connected with the support main body and is arranged at the top end of the support main body, and the sound output end of the top loudspeaker module faces the head. The top loudspeaker module is arranged on the front side of the bracket main body; the top loudspeaker module is a bass loudspeaker unit or a full-frequency loudspeaker unit and is used for receiving a bass sound channel signal. The number of the top loudspeaker modules is at least one, and the top loudspeaker modules are arranged on the front side and / or the rear side of the support body and used for receiving surround sound channel signals. Comprising a supporting plate, the supporting plate is at least connected with the front side of the top end of the support body, and the radian of the supporting plate is similar to that of the top of the head; the top loudspeaker module is connected with the support body through the supporting plate.

A transducer assembly comprising: a laterally offset arrangement of different size transducers, the different size transducers comprising at least a first transducer having a diaphragm of a first size arranged in a first direction and a pair of transducers each having a diaphragm of a second size arranged in a second direction to output sound when driven by respective audio signals, and wherein a force produced by the first transducer is cancelled by a sum of forces produced by the pair of transducers when the transduces are driven by the audio signals.

The invention discloses a sound production device and electronic equipment, and relates to the technical field of electroacoustic transduction, the sound production device comprises a shell, a magnetic circuit system and a vibration system, a common magnetic part of a bass magnetic circuit part in the magnetic circuit system is respectively separated from a central magnetic part and a side magnetic part to form a first bass magnetic gap and a second bass magnetic gap, the high-pitch magnetic circuit part is located on the outer side of the edge magnetic part, a first low-pitch voice coil of a low-pitch vibration unit in the vibration system corresponds to a first low-pitch magnetic gap, a second low-pitch voice coil of the low-pitch vibration unit in the vibration system corresponds to a second low-pitch magnetic gap, and the high-pitch vibration unit is connected to the shell and is opposite to the high-pitch magnetic circuit part in a spaced mode; wherein the bass vibration unit is provided with a bass radiation surface, the treble vibration unit is provided with a treble radiation surface, and an included angle is formed between the bass radiation surface and the treble radiation surface. According to the sound production device, the utilization rate of the magnetic circuit system is effectively improved, and the BL value is improved, so that the loudness and the sensitivity of the sound production device are improved, and full frequency and miniaturization are realized.

The invention discloses a music source separation method and system based on a hybrid expert self-attention network, and belongs to the technical field of audio signal processing and deep learning. The method comprises the following steps: receiving a time domain mixed audio signal, and obtaining a complex frequency spectrum through short-time Fourier transform; the method comprises the following steps: estimating a complex ideal proportion mask through an improved separator network MoEFormer, respectively modeling a time domain dependency relationship and a frequency domain dependency relationship in the separator network by adopting an axial attention mechanism, and replacing a feedforward network in a standard Transformer with a hybrid expert layer; the hybrid expert layer comprises an expert network specially designed for drum sound, Bass and human voice characteristics, and a self-adaptive weight distribution mechanism based on gating routing; and finally, reconstructing the separated time domain signal through inverse short-time Fourier transform. Through expert specialization and feature adaptive fusion, the problem of multi-sound-source feature confusion is effectively solved, and low calculation complexity is kept while the separation precision is improved.

The invention discloses a sound production device and electronic equipment, and relates to the technical field of electroacoustic transduction, the sound production device comprises a shell, a magnetic circuit system and a vibration system, a common magnetic part of a bass magnetic circuit part in the magnetic circuit system is respectively separated from a central magnetic part and a side magnetic part to form a first bass magnetic gap and a second bass magnetic gap, the high-pitch magnetic circuit part is located on the outer side of the edge magnetic part, a first low-pitch voice coil of a low-pitch vibration unit in the vibration system corresponds to the first low-pitch magnetic gap, a second low-pitch voice coil of the low-pitch vibration unit corresponds to the second low-pitch magnetic gap, and the high-pitch vibration unit is connected to the shell and is opposite to the high-pitch magnetic circuit part in a spaced mode. According to the sound production device, the utilization rate of the magnetic circuit system is effectively improved, and the BL value is improved, so that the loudness and the sensitivity of the sound production device are improved, and full frequency and miniaturization are realized.

The utility model relates to the technical field of loudspeakers, in particular to a sound box with a sound guide tube, which comprises a cavity shell and a loudspeaker, the cavity shell comprises an upper shell and a lower shell, the upper shell and the lower shell are combined to form a cavity for placing the loudspeaker, the sound guide tube is further arranged in the cavity, an inner cavity of the sound guide tube forms a passage, and the sound guide tube is arranged in the passage. A first opening of the passage is located on the cavity shell and communicated with the outside of the sound box, and a second opening of the passage is located on one side of the loudspeaker and communicated with the loudspeaker. According to the sound box with the sound guide tube, the cavity shell is improved, so that the sound guide tube and the cavity shell are integrally formed, and meanwhile, the sound guide tube is long, so that mega bass is enhanced, the bass can be ensured to be cleaner, and the requirement of high performance is met. After the design mode with the sound guide tube is adopted, the vibration of the loudspeaker can be well balanced, high-quality audio is brought, and meanwhile, the production smoothness is also ensured.

The utility model provides a double-ring waveguide horn sound box, which comprises a sound box shell, a bass assembly comprises a bass loudspeaker and a bass waveguide horn, the bass loudspeaker is arranged on the sound box shell in a penetrating manner, the bass waveguide horn is arranged on the bass loudspeaker and is positioned at one end of the bass loudspeaker, which is positioned outside the sound box shell, and the bass waveguide horn is positioned at the other end of the bass loudspeaker. The high-pitch assembly comprises a high-pitch loudspeaker and a high-pitch waveguide horn, the high-pitch loudspeaker is arranged on the sound box shell in a penetrating manner, the high-pitch waveguide horn is arranged on the high-pitch loudspeaker and located at one end, located outside the sound box shell, of the high-pitch loudspeaker, and the low-pitch waveguide horn and the high-pitch waveguide horn are arranged on the sound box shell in a staggered and superposed manner. According to the utility model, the bass waveguide horns and the treble waveguide horns are arranged on the sound box shell in a staggered and superposed manner, so that the up-down propagation direction of treble is compressed by bass, and the propagation direction of the treble is transversely diffused, thereby enabling the transverse diffusion of the treble to be wider, further increasing the listening position of the sound box, and improving the listening effect of the sound box. And the hearing feeling of the user is improved.

A new high-fidelity speaker includes a cabinet outer wall, a front partition and a side partition, the front partition and the side partition are arranged in the cabinet outer wall, the side edge of the front partition abuts against the side partition, the remaining edges of the front partition abut against the inner surface of the cabinet outer wall, the internal space surrounded by the cabinet outer wall is divided into a mid-high sound cavity, a bass cavity and a sound guide cavity, one side of the side partition is the sound guide cavity, and the opposite side is the mid-high sound cavity and the bass cavity, a high-pitched speaker port and at least one medium-pitched speaker are opened on the cabinet outer wall part corresponding to the mid-high sound cavity to install the speakers; a bass sound guide port is opened on the cabinet outer wall part corresponding to the sound guide cavity, the bass sound guide port is adjacent to the aforementioned at least two openings distributed on both sides of the side partition; the part of the side partition corresponding to the bass cavity is opened with a bass port to install a bass speaker towards the sound guide cavity, and the bass cavity forms a closed cavity. The speaker has good bass diving, sound image positioning, resolution and small space size.

The utility model provides a magnetic Bluetooth sound box, and relates to the technical field of Bluetooth sound boxes. Comprising a shell, a mounting frame is fixedly connected into the shell, a circuit board is fixedly installed on the mounting frame, a loudspeaker is fixedly installed on the mounting frame and located below the circuit board, a battery is fixedly installed on the side, located on the loudspeaker, of the mounting frame, and a sealing plate is clamped to the inner wall of the shell. The inner wall of the sealing plate is fixedly provided with a bass vibrating diaphragm, the product is a magnetic type Bluetooth sound box, can be adsorbed at the bottom of a mobile phone and serves as a mobile phone sound box, and the magnets adopt an arrangement mode of an N52 strong magnetic external annular magnet and an internal double-arc magnet; and a very reasonable angle is ensured to adapt to the use habits of consumers when the mobile phone is positively sucked, transversely placed and vertically placed. And under the condition that the bass effect of the products is generally poor, the special structural design is utilized to realize the additional installation of the bass vibrating diaphragm, and the tone quality and the bass effect are enhanced.