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111 results about "Woofer" patented technology

A woofer or bass speaker is a technical term for loudspeaker driver designed to produce low frequency sounds, typically from 20 Hz up to 500 Hz. The name is from the onomatopoeic English word for a dog's bark, "woof" (in contrast to the name used for speakers designed to reproduce high-frequency sounds, tweeter). The most common design for a woofer is the electrodynamic driver, which typically uses a stiff paper cone, driven by a voice coil surrounded by a magnetic field.

Double-ring waveguide horn sound box

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.
Owner:SHANGHAI XINSHENG INTELLIGENT TECHNOLOGY CO LTD

Coaxial speaker

PendingUS20250386145A1Loudspeaker diaphragm dampingLoudspeakersBass (sound)Woofer
A coaxial speaker includes a tweeter assembly, a woofer assembly, and a frame. The tweeter assembly is used to generate treble sound with a primary propagation direction along a first direction. The woofer assembly is used to generate bass sound with a primary propagation direction along the first direction. The woofer assembly includes a sound guide portion, which faces the tweeter assembly. The treble sound generated by the tweeter assembly, having a primary propagation direction along the first direction, is guided by the sound guide portion to propagate in a second direction. The tweeter assembly and woofer assembly are coaxially arranged, and the second direction is different from the first direction. The tweeter assembly and woofer assembly are mounted on the frame.
Owner:TYMPHANY HK LTD

Coaxial speaker

A coaxial speaker including a basket frame, a magnetic circuit system, a woofer vibration system, and a tweeter vibration system. The magnetic circuit system is provided with a cavity, a tweeter magnetic gap, and a woofer magnetic gap. The woofer vibration system includes a woofer diaphragm and a woofer voice coil. The tweeter vibration system includes a tweeter diaphragm and a tweeter voice coil. The woofer magnetic gap includes a first magnetic gap and a second magnetic gap, and the woofer voice coil includes a first voice coil and a second voice coil. The magnetic circuit system includes a magnetic yoke, a main magnetic portion, a first sub-magnetic portion, and a second sub-magnetic portion. The main magnetic portion includes a first magnet, a second magnet, a third magnet, and a main pole core. The main core includes a first plate portion, a second plate portion, and a wall portion.
Owner:AAC MICROTECH (CHANGZHOU) CO LTD

Sealing structure of special-shaped sound cavity

The utility model discloses a sealing structure of a special-shaped sound cavity, which belongs to the technical field of sound boxes and comprises an upper shell assembly and a lower shell assembly, the upper shell assembly is positioned above the lower shell assembly, two ends of one side of the upper shell assembly are respectively provided with a woofer and a tweeter, and the lower end of the interior of the lower shell assembly is provided with a vibrating diaphragm. Fixing screws are arranged on the three sides of the lower end of the lower shell assembly, installation of the sealing structure can be completed through mutual splicing of the upper shell assembly and the lower shell assembly, positioning and pre-fixing can be carried out through matching of the protruding ribs and the grooves and matching of the male buckles and the female buckles, meanwhile, fixing is carried out through the fixing screws, a user can carry out assembling conveniently, and the sealing structure is convenient to use. And the dispensing glue is filled in the groove, so that the air tightness and the reliability are improved.
Owner:SUGR ELECTRONICS CORP

Coaxial loudspeaker

PendingDE102024138552A1Loudspeaker diaphragm dampingLoudspeakersFrequency soundBass (sound)
A coaxial loudspeaker comprises a tweeter assembly, a woofer assembly, and a frame. The tweeter assembly is used to produce high-frequency sound with a primary propagation direction along a first direction. The woofer assembly is used to produce bass sound with a primary propagation direction along the first direction. The woofer assembly includes a sound guide facing the tweeter assembly. The high-frequency sound produced by the tweeter assembly, which has a primary propagation direction along the first direction, is guided by the sound guide to propagate in a second direction. The tweeter and woofer assemblies are arranged coaxially, and the second direction of propagation differs from the first. The tweeter and woofer assemblies are mounted on the frame.
Owner:TYMPHANY HK LTD

Multi-loudspeaker array and sound field partition control method of vehicle cabin

The embodiment of the invention discloses a multi-loudspeaker array and a sound field partition control method of a vehicle cabin. The multi-loudspeaker array comprises a plurality of bass loudspeakers, a plurality of alto loudspeakers, a plurality of treble loudspeakers, a plurality of headrest loudspeakers, one or more mega bass loudspeakers and a plurality of surround loudspeakers. The bass loudspeaker, the alto loudspeaker and the treble loudspeaker are distributed in a plurality of areas of a vehicle cabin and are used for forming a sound field covering a full frequency band; the headrest loudspeaker is arranged at the position of a seat headrest and used for making sound to a corresponding seat in a near-field mode. The mega bass loudspeaker is arranged in the rear area of the vehicle cabin and used for supplementing low-frequency signals; the surround loudspeaker is arranged in the rear area of the vehicle cabin and used for forming a sound field surrounding the vehicle cabin. According to the embodiment of the invention, through the distributed layout and function division of the high-density multi-loudspeaker array, the sound fields of different seats are independently constructed and do not interfere with each other, a hardware basis is provided for partition control, and personalized audio requirements are met.
Owner:CHERY AUTOMOBILE CO LTD

Sound box with high pitch turbine structure

PendingCN121367841ATransducer casings/cabinets/supportsRubber ringFrequency compression
The invention is applicable to the technical field of audio playing equipment, and provides a sound box with a high pitch turbine structure, which comprises a box body, and a bass unit mounting position, a suspension rubber ring and a coaxial positioning ring are integrally formed on the front surface of the box body, the bass unit and the treble unit are coaxially embedded in the mounting position through the coaxial positioning ring and the suspension rubber ring; according to the sound box, through the design of the integrated structure and the involute vortex air channel on the front face of the box body and in cooperation with the nanometer damping layer and the elastic damping structure, high-frequency compression distortion and resonance distortion are greatly reduced, meanwhile, the high frequency is extended to 30 KHz or above through the 2.5 frequency division design, and more music details and overtones are restored; the coaxial positioning ring is used for guaranteeing the coaxiality of the bass unit and the hanging rubber ring, and the combined structure of the bottom phase guide tube and the central cone and the filtering grating assembly with the interval of 5mm-8mm are combined, so that ultralow-frequency 360-degree uniform diffusion and accurate filtering are realized, and the pain points of low-frequency turbidity and poor directivity of a traditional phase-inverted sound box are solved.
Owner:FOSHAN NANHAI DISTRICT JINXUANZI ELECTRIC CO LTD

Door panel tweeter grille (P301)

ActiveCN309948542SEngineeringWoofer
1. The name of the design product: door panel woofer speaker cover (P301). 2. The use of the design product: used for car side door panel woofer speaker. 3. The design points of the design product: the combination of shape and pattern. 4. The picture or photo that best indicates the design points: kit 1 perspective view. 5. Kit description of other circumstances that need to be explained: kit 1 is a door panel woofer speaker cover; kit 2 is a door panel tweeter speaker cover.
Owner:CHINA FAW CO LTD

A testing device for obtaining the excitation force of a mid-bass speaker

ActiveCN224290070UAccurately test work motivationMonitoring VibrationElectrical apparatusSound sourcesBass (sound)
This utility model discloses a mid-bass speaker excitation force acquisition and testing device, including a base. A mid-bass speaker is fixedly connected to the top of the base via four pillars. Force sensors are installed on the pillars, and the detection end of the force sensor is in contact with the mid-bass speaker. A baffle is also fixed to the top of the base via a first bracket. A microphone is fixedly connected to the top of the baffle via a tripod. A laser pickup is fixedly connected to the top of the baffle via a second bracket. The laser pickup is located directly above the mid-bass speaker. This device can accurately test the working excitation force of the mid-bass speaker. This device is used to simulate the state of the audio system installed inside the vehicle body. The force sensors are used to measure the vertical force at the mounting point of the mid-bass speaker, the microphone is used to monitor the quality of the sound source played by the mid-bass speaker, and the laser pickup is used to monitor the diaphragm vibration of the mid-bass speaker.
Owner:JIANGLING MOTORS

A coaxial loudspeaker with a horn and a shape optimization method thereof

The application discloses a coaxial loudspeaker with a horn and a shape optimization method thereof. The coaxial loudspeaker comprises a bass loudspeaker, a treble loudspeaker, and a horn with an inner cavity and open at both upper and lower ends. The treble loudspeaker comprises a treble cone, the horn surrounds the treble cone, the lower end of the horn is connected to the treble loudspeaker, and the upper end of the horn is the largest inner diameter part. The shape optimization method comprises the following steps: S1, establishing a geometric model of the coaxial loudspeaker as claimed in claim 1 to obtain a control node in a profile curve of the horn; S2, setting a physical field; S3, defining material parameters; S4, meshing; S5, optimizing geometric parameters of the profile shape of the horn; and S6, drawing an optimized geometric model of the horn according to the optimized parameters. The application can have a better frequency response curve when the treble loudspeaker works, and can quickly and accurately optimize the shape of the horn to improve the acoustic performance of the loudspeaker.
Owner:SUZHOU SONAVOX ELECTRONICS CO LTD

Loudspeaker

The utility model provides a loudspeaker, which belongs to the field of loudspeakers and comprises a basin frame, a vibration system and a magnetic circuit system are arranged on the basin frame, the vibration system comprises a sound basin, a positioning support chip and a voice coil, the sound basin and the positioning support chip are arranged on the basin frame, the voice coil is arranged on the sound basin and the positioning support chip, the positioning support chip comprises a positioning support chip body, and the positioning support chip body is arranged on the positioning support chip body. A supporting arm is upwards arranged on the inner side of the positioning support sheet body; compared with the traditional loudspeaker, the vibration space of the positioning support chip is eliminated, the total height of the product is reduced, the amplitude space of the whole vibration system can be properly increased, and the reliability is improved; the positioning support chip keeps an offset space between the positioning support chip and the magnetic conductive bowl, so that a vibration space does not need to be specially reserved between the positioning support chip and the magnetic conductive bowl, the volume of the woofer is reduced, the Z height is fully utilized, and for a flat woofer, a larger magnet system can be arranged in the woofer and more space is provided for offset, so that the positioning support chip and the magnetic conductive bowl are integrated. And the performance is improved.
Owner:SHANDONG GETTOP ACOUSTIC CO LTD

Sound box with loudspeaker protection structure

The utility model relates to the technical field of sound boxes, in particular to a sound box with a loudspeaker protection structure, which comprises a box body and a front cover arranged on one side of the box body, a first limiting groove and a second limiting groove are arranged in the front cover in a penetrating manner, a bass loudspeaker is arranged in the first limiting groove, and a treble loudspeaker is arranged in the second limiting groove. Protective covers are arranged on the outer sides of the bass loudspeaker and the treble loudspeaker, and protective covers for protecting the loudspeakers are fixedly arranged on the outer sides of the first limiting groove and the second limiting groove, so that an external object is effectively prevented from directly contacting a loudspeaker diaphragm, the loudspeakers are protected from being damaged, and the protective covers not only provide physical protection, but also can protect the loudspeakers from being damaged. The loudspeaker is arranged in the box body, normal vibration and sound transmission of the loudspeaker are ensured through air permeability of the loudspeaker, dust is prevented from entering the box body, an audio distributor is further installed in the box body, the audio distributor at least comprises a frequency divider, and the audio distributor is installed through a third limiting groove and is additionally fixed through a limiting strip.
Owner:HUIZHOU ZHENGCHENG AUDIO CO LTD

Integrated low-sound baffle sound box

The utility model discloses an integrated low-sound baffle sound box. The integrated low-sound baffle sound box comprises an upper sound box and a lower sound box, the upper sound box comprises an upper bottom plate, the lower sound box comprises a lower top plate, and the upper bottom plate and the lower top plate are integrally formed. The upper sound box further comprises an upper front baffle plate, an upper front back plate and an upper rear baffle plate, the upper front baffle plate and the upper front back plate are fixedly connected and form an upper sound box accommodating space for simultaneously accommodating a plurality of alto loudspeakers and a plurality of high-pitch loudspeakers, the alto loudspeakers are respectively embedded in the upper front baffle plate, and the high-pitch loudspeakers are respectively embedded in the upper front baffle plate or the upper rear baffle plate; and a gap is formed between the upper front back plate and the upper rear baffle plate. The integrated low-sound baffle sound box disclosed by the utility model has the beneficial effects that the baffle, the linear array and the high, medium and low-sound loudspeakers are seamlessly coupled together by adopting the high-integration box body, so that a sound field effect approximate to 360 degrees is formed.
Owner:JIAXING DIBEISI ELECTROACOUSTICS CO LTD

Outdoor waterproof mid-high pitch loudspeaker

The utility model relates to an outdoor waterproof alto-tweeter, which comprises a basin stand, a woofer and a tweeter. The bass horn comprises a bass magnetic circuit system and a bass vibration system. The bass magnetic circuit system comprises a T iron, a magnet and a Wass. The bass vibration system comprises a bass voice coil, a bass damper and a bass vibrating diaphragm. The high-pitch loudspeaker comprises a high-pitch support, a high-pitch magnetic circuit, a high-pitch vibrating diaphragm, a high-pitch voice coil, a phase plug, a high-pitch cup and a waterproof sealing piece. The tweeter and the woofer are coaxially arranged, and the tweeter and the woofer are accommodated in the woofer voice coil. The high pitch cup is fixedly arranged on one side of the high pitch support, one side of the waterproof sealing piece is fixedly connected with the low pitch vibrating diaphragm, the other side of the waterproof sealing piece is fixedly connected with the high pitch cup, and therefore the interior of the loudspeaker is sealed, and the loudspeaker has good waterproof performance.
Owner:嘉兴艺声电子科技有限公司

A portable sound system for a vehicle

The application discloses a portable sound equipment for vehicle, which comprises a quick-release fixing seat, a power supply connecting seat and a quick-release linkage assembly are arranged on the quick-release fixing seat, the quick-release fixing seat is installed and fixed in a passenger cabin of the vehicle, a sound box shell is installed on the quick-release fixing seat and is fixed through the quick-release linkage assembly, meanwhile, an electric connection part at the bottom of the sound box shell is connected and conducted with the power supply connecting seat, an inner core control box is installed inside the sound box shell, a bass loudspeaker is installed on the top of the inner core control box, at least one medium tone loudspeaker is installed on one end of the inner core control box, a high tone loudspeaker is installed between the upper sides of the medium tone loudspeakers, a control circuit board is installed on the inner side of the lower part of the inner core control box, a battery box is installed on the lower side of the control circuit board, and side sound membranes are installed on the front and back sides of the inner core control box. The application can solve the problems of inconvenient disassembly and assembly, unfirm installation, and poor sound box effect of the existing vehicle-mounted sound equipment.
Owner:NINGBO ASK AUTOMOTIVE SOUND & COMM

A sound-conducting structure for an earphone with high and low frequency drivers

This utility model discloses a sound guiding structure for an earphone with high and low frequency units, comprising an earphone shell and a speaker unit. The speaker unit divides the cavity into a front cavity and a rear cavity. The speaker unit is a coaxial dual speaker, comprising: a ring-shaped woofer and a tweeter located at the center of the woofer, with the woofer and tweeter having the same sound-emitting surfaces. A sound guide is provided inside the earphone shell, and a through-type tweeter channel is provided within the sound guide. One end of the tweeter channel is connected to the sound-emitting surface of the tweeter, and the other end extends to the mouthpiece. The sound generated by the woofer enters the front cavity and is then conducted out through the mouthpiece. The sound generated by the tweeter is directly conducted out through the tweeter channel. This utility model uses a coaxial dual speaker, and the sound guide directly conducts the sound generated by the tweeter through the tweeter channel, avoiding the attenuation caused by resonance and sound wave reflection of the high-frequency energy of the tweeter in the front cavity.
Owner:DONGGUAN HELE ELECTRONICS

Coaxial speaker protection method, coaxial speaker protection system, coaxial speaker protection device, and coaxial speaker protector

A coaxial speaker protection method, a coaxial speaker protection system, a coaxial speaker protection device, and a coaxial speaker protector are provided. The coaxial speaker protection method includes modeling a temperature of a tweeter to obtain a tweeter voltage-temperature transfer function, modeling a temperature and an amplitude of a woofer to obtain a woofer voltage-amplitude-temperature transfer function, modeling a coaxial device having the tweeter and the woofer to obtain a thermal conduction function of the coaxial device, calculating a current temperature of the tweeter according to a current voltage of the tweeter, calculating a current temperature of the woofer according to a current voltage of the woofer, etc. The tweeter and the woofer are protected through a feedforward manner, so that sound quality of a coaxial speaker is improved.
Owner:AAC TECHNOLOGIES (NANJING) CO LTD

A large aperture micro subwoofer

The utility model relates to loudspeaker technical field especially a kind of large-caliber micro low-frequency loudspeaker, including support, magnet cover installed on support, magnetic steel setting on magnet cover, voice coil matched with magnetic steel, diaphragm is connected with voice coil and is arranged on the support, ball top is arranged on the diaphragm, the diaphragm is made of high molecular elastomer material, the ball top is made of single-layer aluminum material, the utility model uses elastomer as diaphragm, uses single-layer aluminum material as ball top, compared with conventional size product, there is greater effective radiation area, higher low-frequency loudness.
Owner:ZHEJIANG HAOSHENG ELECTRONIC TECH CO LTD

Audio System, Signal Processing Device, and Signal Processing Method

An audio system includes a plurality of subwoofers installed in an acoustic space and a signal processing device. The signal processing device includes one or more memories storing instructions and one or more processors. The one or more processors are configured to assign each of a plurality of sound sources that correspond to different positions, to one or more subwoofers installed in an acoustic space. Each of the plurality of sound sources is assigned based on a positional relation with each of the plurality of sound sources and a plurality of subwoofers installed in the acoustic space and including the one or more subwoofers. The one or more processors are also configured to generate, from a plurality of sound source signals corresponding to respective ones of the plurality of sound sources, a plurality of first sound signals corresponding to respective ones of the plurality of subwoofers.
Owner:YAMAHA CORP

Vehicle

PCT designated stageWO2026124497A1Vehicle componentsIn vehicleWoofer
A vehicle (1), comprising: first-row seats (11), second-row seats (12), and third-row seats (13). An onboard audio system (14) corresponding to the third-row seats comprises: a first surround speaker (141), a second surround speaker (142), a first tweeter (143), a second tweeter (144), a first mid-bass speaker (145), and a second mid-bass speaker (146), wherein the first surround speaker and the second surround speaker are symmetrically arranged about the central axis of the vehicle on a headliner corresponding to the third-row seats, and the first surround speaker and the second surround speaker are both arranged at positions away from the ears of users in the third-row seats; the first mid-bass speaker and the second mid-bass speaker are symmetrically arranged about the central axis of the vehicle, and the first mid-bass speaker and the second mid-bass speaker are both arranged at positions above the plane where armrests of the third-row seats are located; and the first tweeter and the second tweeter are symmetrically arranged about the central axis of the vehicle. The auditory experience for users riding in a vehicle having three rows of seats can be improved.
Owner:BEIJING CO WHEELS TECH CO LTD

Method for positioning a shaker and use of the shaker for vibration control

A method for positioning a shaker in a seat includes a headrest and a backrest. The headrest has a bass loudspeaker. The shaker is positioned in the headrest. The seat is typically a seat in a motor vehicle or a seat in a theatre or a massage chair or an entertainment chair.
Owner:PSS BELGIUM

A vehicle

This invention discloses a vehicle. The vehicle includes: a first row of seats, a second row of seats, and a third row of seats. The in-vehicle playback system corresponding to the third row of seats includes: a first surround speaker, a second surround speaker, a first tweeter, a second tweeter, a first mid-bass speaker, and a second mid-bass speaker. The first surround speaker and the second surround speaker are symmetrically arranged on the ceiling corresponding to the third row of seats with reference to the vehicle's central axis. Both the first surround speaker and the second surround speaker are positioned away from the simulated ears of a person sitting on the third row of seats. The first mid-bass speaker and the second mid-bass speaker are symmetrically arranged with reference to the vehicle's central axis. Both the first mid-bass speaker and the second mid-bass speaker are positioned above the plane where the armrest of the third row of seats is located. The first tweeter and the second tweeter are symmetrically arranged with reference to the vehicle's central axis.
Owner:BEIJING CO WHEELS TECH CO LTD

Movable car audio system, vehicle, and car audio control method

Embodiments of the present application provide a movable vehicle-mounted sound system, a vehicle and a vehicle-mounted sound control method. The movable vehicle-mounted sound system comprises at least one detachable mid-high sound module and at least one detachable bass module, the mid-high sound module comprises a mid-high sound speaker and a first combination structure, and the bass module comprises a bass speaker and a second combination structure; the mid-high sound module has a vehicle-mounted state connected with the vehicle through the first combination structure, the bass module has a vehicle-mounted state connected with the vehicle through the second combination structure, and the bass module and the mid-high sound module also have an off-vehicle state connected with each other through the first combination structure and the second combination structure; and the system further comprises: a receiving module for receiving an audio signal and a control signal; and a control module for generating a control instruction according to the control signal to drive the bass speaker and / or the mid-high sound speaker to play the audio signal when the bass module and the mid-high sound module are in the off-vehicle state.
Owner:Z-ONE TECH CO LTD

A treble-adjustable speaker column device

ActiveCN224439134UEngineeringAcoustics
This utility model relates to the field of speaker technology, specifically an adjustable tweeter speaker column device, comprising a speaker housing with a lower chamber and an upper chamber. A woofer is installed in the lower chamber, and a tweeter is installed in the upper chamber. Its key feature is that it further includes a support assembly composed of an upper bracket and a lower bracket. The two sides of the upper bracket are respectively hinged to the two side walls of the upper end of the upper chamber. The two sides of the lower bracket are respectively mounted on the two side walls of the lower end of the upper chamber, allowing continuous back-and-forth swinging. The upper and lower ends of the tweeter are respectively fixed to the upper and lower brackets. The tweeter is installed in the upper chamber with adjustable direction as the lower bracket swings back and forth. This utility model allows continuous adjustment of the tweeter angle and can be operated by only one person, making it very convenient to use.
Owner:KOBBLE DIGITAL ELECTRONICS

Ultrathin mega bass loudspeaker

The utility model discloses an ultrathin mega bass loudspeaker, and relates to the technical field of loudspeakers. The device comprises a magnetic circuit system, a vibration system and a support system, the magnetic circuit system comprises a magnet assembly, and the magnet assembly is provided with a magnetic gap; the supporting system comprises a basin frame, and a first annular step is arranged in the middle of the basin frame; the vibration system comprises a voice coil, a sound basin, a supporting basket and a damper, the voice coil is suspended in the magnetic gap, the edge of a middle hole of the sound basin is fixedly connected with the voice coil, the outer edge of the sound basin is provided with a folding ring, the folding ring is fixedly connected with the top of the basin frame, the supporting basket is cylindrical and surrounds the outer side of the magnet assembly, and the upper end of the supporting basket is fixedly connected with the bottom of the sound basin; the damper surrounds the outer side of the supporting basket and is fixed to the first annular step, and the edge of the hole is fixedly connected with the lower end of the supporting basket. According to the utility model, the stroke of the loudspeaker is not limited by the damper, the ultra-thinness, high power and large stroke of the loudspeaker are realized, and the mega bass performance effect is good.
Owner:DONGGUAN YITING AUDIO TECH CO LTD

A low-frequency sound pressure level enhancement speaker and its enclosure

This invention relates to a low-frequency sound pressure level (SPL) enhancement speaker enclosure and its cabinet. The enclosure includes a speaker enclosure and a subwoofer. The enclosure has a cavity and a subwoofer output, which consists of a mounting port and a sound wave radiation window. The mounting port and the sound wave radiation window connect the cavity to the outside environment, and are completely separated on the enclosure. The subwoofer is mounted in a sealed manner on the enclosure through the mounting port and generates low-frequency reverse waves radiating into the cavity during vibration. These reverse waves are then radiated into the outside air through the sound wave radiation window. In this invention, sound waves within the enclosure cavity can be radiated into the outside air through the sound wave radiation window, allowing sound waves behind the speaker to be utilized, thereby enhancing the low-frequency SPL and improving sound quality. This low-frequency SPL enhancement speaker enclosure is characterized by its simple structure, ease of acoustic parameter adjustment, and low cost.
Owner:EZPRO TECH (DONGGUAN) CO LTD

Medium-bass loudspeaker

The utility model discloses a mid-bass loudspeaker. The mid-bass loudspeaker comprises a support, a sound basin arranged on the support, a voice coil connected to the sound basin and a magnetic circuit used for driving the voice coil, the sound basin comprises a glass body, the glass body comprises a truncated conical glass cone, and the glass cone is made of glass. The mid-bass loudspeaker provided by the utility model is relatively smooth in frequency response curve, high in sound reduction degree, and relatively good in waterproof, fireproof and anti-aging performance.
Owner:SUZHOU SONAVOX ELECTRONICS CO LTD

Portable Drum Kit Case with Integrated Riser Platform

A drum kit / set case riser device designed for storing, transporting, and supporting an assembled drum set is disclosed. The device features a bottom panel with a non-slip surface to stabilize the drum set, and a plurality of removable panels including a top panel, side panels, and a front panel that securely enclose the drum set during transport. A pivoting rear panel is folded out to extend the riser platform and is supported by transitional bars for added stability. The device includes lockable casters for easy maneuverability and a motorized mechanism with a control button for automated opening and closing of the panels. Additionally, an integrated subwoofer provides audio support. The invention allows for quick transition between an assembled state for transport and an unassembled state for performance, offering a portable, secure, and convenient solution for musicians.
Owner:DESCOTT CARL

High and low pitch loudspeaker module

The invention relates to the technical field of electro-acoustic conversion, and provides a treble and bass loudspeaker module, which comprises a basin frame, a loudspeaker module and a loudspeaker module, the invention discloses a treble and bass loudspeaker module, which comprises a basin frame, a first vibration system, a first magnetic circuit system, a second vibration system, a second magnetic circuit system and a supporting piece which is fixed on the basin frame and is arranged on the short axis side of the first magnetic circuit system and / or the short axis side of the second magnetic circuit system. Compared with the prior art, the treble and bass loudspeaker module can be miniaturized, the resonant frequency improvement effect is good, and the overall acoustic performance is excellent.
Owner:AAC MICROTECH (CHANGZHOU) CO LTD