Abstract: A loudspeaker cabinet (2) includes a device for mechanical connection to another loudspeaker cabinet and/or a device (8) for adjusting an angle formed between the cabinet (2) and the other cabinet. The connection device includes a mechanism for the conversion of a translational actuation control in a first direction into a translational movement of at least one first latch in a second direction different from the first direction. The angle adjustment device includes an element (8) the length of which in the operating position adjusts the angle and is determined according to the position of a rotary component (10).

Abstract: A sound effect amplification diffuser includes a deck including a cover member defining a top bearing space, a sound collection hole at one lateral side of the bearing space, a sound collecting hood at the bottom side thereof around the sound collection hole and a sound grille at one side wall thereof opposite to the sound collection hole, a base member affixed to the bottom side of the cover member and an accommodation chamber defined between the base member and the cover member, and an amplification diffuser suspending in the accommodation chamber and connected between the sound collecting hood and the sound grille and adapted to enhance the intensity of the output sound of a mobile electronic device being positioned in the bearing space.

Abstract: An acoustic molded article, such as a frame for a speaker, used for an acoustic instrument, includes a regenerated glass and a regenerated resin both collected from household electric appliances which have been incinerated as fuel, or used for reclamation to be discarded. Thus, this article is an environment-friendly acoustic molded article which is light, high in rigidity and internal loss, and also capable of decreasing the discharge of carbon dioxide.

Abstract: Systems and methods to remove heat from an acoustic enclosure are provided. An apparatus includes an enclosure and a free convection passage located within the enclosure. The convection passage includes a non-horizontal convection inlet acoustic port having an inlet opening to the ambient environment and a non-horizontal convection outlet acoustic port having an outlet opening to the ambient environment. At least one heat producing element is coupled to an acoustic port of the free convection passage via a low thermal resistance conduction path. Heat produced by the heat producing element initiates a unidirectional free convective airflow in a direction corresponding to a path between the convection inlet acoustic port and the convection outlet acoustic port.

Abstract: A line array speaker provides highly uniform frequency response throughout a wide listening field, while also reducing distortion and improving fidelity, clarity, and output level. In a symmetrical embodiment, central apertures are straddled by a sequential pairs of sets of apertures. The straddling pairs emit frequencies in the next lower frequency band relative to the frequency band of the immediately preceding frequency band apertures. In an asymmetrical embodiment, sequential frequency bands are emitted by adjacent sets of apertures rather than straddling pairs of sets of apertures. Each of the apertures may be a loudspeaker cone, one or more straight slots, one or more arbitrarily curved slots, one or more arbitrarily angled slots, one or more holes or the mouth of a horn. The speaker may have a front baffle which is a flat panel or multiple facets arranged in one or multiple recesses across a front of the speaker.

Abstract: A flexible multiple speaker support apparatus is provided for supporting a plurality of speakers therein and includes a flexible, hollow speaker support unit which includes a plurality of open, sound emission channels. The speakers are housed within the flexible, hollow speaker support unit, and the speakers are placed in registration with the open, sound emission channels. With one embodiment of the invention, the flexible, hollow speaker support unit includes a flexible, tubular speaker support member, and the flexible, tubular speaker support member includes a plurality of the open, sound emission channels. The speakers are placed in registration with the open, sound emission channels. With another embodiment of the invention, a suspension bracket assembly is connected to the flexible, hollow speaker support unit for supporting the flexible, hollow speaker support unit in a desired orientation from a ceiling, wall or other surface.

Abstract: Acoustic enclosure for mounting loudspeakers (1) that contains a certain number of curved-profile guides (8) arranged radially beside one another at a specific distance and forming a ring (7), between which the sound from the loudspeaker is propagated from the central space (6) to the outer ring (9), which it enters obliquely as a result of the curvature of the guides. Since said ring (9) contains no elements against which the sound can be reflected back into the conduits, it works like a closed circuit or track that the sound passes through until it is exhausted, keeping the inner face of the membrane of the loudspeaker free of disturbances that, in conventional enclosures, are caused by the reflected sound when it hits the membrane during the lifetime of the sound, thereby eliminating the distortion and alterations of the natural response linearity of the loudspeaker from this source.

Abstract: A loudspeaker component includes a unitary plastic element that defines at least a portion of (i) a first acoustic volume that can be acoustically energized by an electro-acoustic driver, (ii) a first port which extends from the first acoustic volume and conducts acoustic energy from the first acoustic volume towards an environment external to a loudspeaker in which the plastic element resides, and (iii) a second port which conducts acoustic energy from a second acoustic volume, defined by the loudspeaker, towards the external environment.

Abstract: A portable electronic device that provides audio sound output from multiple internal speakers to a common output audio opening in a housing of the portable electronic device is disclosed. In one embodiment, the multiple internal speakers are provided in close proximity to one another, such as adjacent to one another, and serve to produce audio sound pertaining to different audio channels. The sound (i.e., pressure waves) produced by each of the internal speakers is directed into a respective acoustic chamber and output via the output audio opening in the housing. Accordingly, the acoustic chambers for the multiple internal speakers can each direct their audio sound output to the same output audio opening in the housing. The respective acoustic chambers can be formed adjacent to one another with a structural barrier serving to separate the distinct acoustic chambers.

Abstract: The present invention relates to a loudspeaker assembly and a method of assembling a loudspeaker assembly. In one or more embodiments, the invention comprises forming a front baffle comprising a first driver mounting portion, an intermediate portion, and an edge mounting portion. A first driver is installed in the first driver mounting portion proximate to a first driver aperture. A rear baffle is formed from a second material, which, in one or more embodiments, is less stiff than the first material from which the front baffle is formed. The rear baffle comprises a top portion, sidewalls, a recessed mounting portion, and an edge portion. The edge mounting portion of the front baffle is attached to the recessed mounting portion of the rear baffle such that an entirety of said front baffle is recessed within said rear baffle spaced apart from said open bottom portion.

Abstract: Acoustic enclosure for mounting loudspeakers (1) that contains a certain number of curved-profile guides (8) arranged radially beside one another at a specific distance and forming a ring (7), between which the sound from the loudspeaker is propagated from the central space (6) to the outer ring (9), which it enters obliquely as a result of the curvature of the guides. Since said ring (9) contains no elements against which the sound can be reflected back into the conduits, it works like a closed circuit or track that the sound passes through until it is exhausted, keeping the inner face of the membrane of the loudspeaker free of disturbances that, in conventional enclosures, are caused by the reflected sound when it hits the membrane during the lifetime of the sound, thereby eliminating the distortion and alterations of the natural response linearity of the loudspeaker from this source.

Abstract: The present invention relates to speaker enclosures utilizing the golden ratio geometrically throughout the design to reduce reflections, resonance and phase shifting, and to improve the transient response. Enclosures can be box-shaped, trapezoidal, suspended or otherwise configured. The enclosure has a driver wall, a baffle and a rear wall. The driver wall and baffle define a front chamber, and the baffle and rear wall define a rear chamber. The volumetric ratio between the rear chamber and front chamber can be approximately 0.6. The rear chamber also can have braces or dividers that segment the chamber into a central portion and two side portions. The volumetric ratio between the side portions and the central portion can be approximately 0.6. Ports of various configurations are provided. Braces can be used in conjunction with the ports to diffuse the incoming air. The baffle can have a plurality of radiused holes there through.

Abstract: An input-panel-equipped portable speaker device includes a cabinet shell body configured to enclose an accommodation chamber in a longitudinal direction, and having left and right mounting walls opposite to each other in a transverse direction. The left mounting wall has an inner peripheral region defining a fitting opening. The right mounting wall has a positioning groove. An input panel is connected with an amplifier circuit board, and is disposed to cover the fitting opening. When a right board edge of the circuit board is brought to be fitted in the positioning groove, an outer peripheral region of the panel is brought to abut against the inner peripheral region so as to enable an air-tight engagement therebetween.

Abstract: A loudspeaker system for the reproduction of acoustic waves of music, sound and speech in a substantially circular horizontal plane. The loudspeaker system includes multiple spherical enclosures, each enclosure housing a pair of transducers, each pair of transducers producing acoustic waves of a predetermined frequency range.

Abstract: A box-shaped enclosure of a storage box includes a deadening wall or walls defining a storage space between first and second planes. The storage space is open at the first and second planes. A deadening wall member extends along the first plane. An auxiliary box-shaped enclosure is connected to the box-shaped enclosure so as to close the first plane of the box-shaped enclosure. The auxiliary box-shaped enclosure defines an auxiliary space isolated from the storage space with a deadening wall member. The storage space is connected to the fresh air through the ventilation opening and the auxiliary space. The deadening wall or walls of the box-shaped enclosure and the deadening wall member serve to prevent the leakage of the operating sound.

Abstract: A case for an communication device is provided that includes a case body adapted to be secured to communication device having at least one video output oriented in a first direction and at least one audio output oriented in a second direction substantially perpendicular to the first direction, and a sound deflector secured to the case body, the sound deflector being moveable between an extended position and a retracted position, wherein the sound deflector is configured to direct audible sound emitted from the device substantially from the second direction to the first direction when in the extended position, and wherein the sound deflector is configured to conform to a portion of the case body when in the retracted position.

Abstract: A loudspeaker component includes a unitary plastic element that defines at least a portion of (i) a first acoustic volume that can be acoustically energized by an electro-acoustic driver, (ii) a first port which extends from the first acoustic volume and conducts acoustic energy from the first acoustic volume towards an environment external to a loudspeaker in which the plastic element resides, and (iii) a second port which conducts acoustic energy from a second acoustic volume, defined by the loudspeaker, towards the external environment.

Abstract: A cover for an electronic device includes a back panel adapted to substantially cover a back face of the electronic device. The back panel includes a friction-reducing treatment on at least a portion of the panel that is in contact with the back face. The cover also includes a restraining portion adapted to be disposed against an opposed face of the electronic device. The restraining portion is attached to the back panel by a side member and the restraining portion adapted to maintain the back panel in an installed position relative to the back face.

Abstract: An improved structure for the compositely formed sound box consists of a plastic-made box with one-way opening and intensified rib and inlet components provided inside the box. The main feature is the bubbled one-piece soundproof layer inside the sound box to expand the overall structure of the sound box, reduce the thickness of the sound box, minimize the thickness of the shell, and upgrade the soundproof performance at the same time.

Abstract: A loudspeaker module includes a hollow main body, two rotatable connecting portions, and two loudspeakers. The hollow main body includes two opposite sidewalls. Each of the opposite sidewall defines a first opening, an inner sidewall of the first opening defines an annular rotating slot. One end of the connecting portion extends an annular flange shaped corresponding to the rotating slot. The two rotatable connecting portions are respectively rotatably connected to the main body via the flange rotating about the rotating slot. Two loudspeakers are disposed in an end of the corresponding rotatable connecting portion away from the main body.

Abstract: A speaker cabinet includes an outer shell, at least one inner shell, and a core material. The outer shell includes high tensile strength material and includes at least one aperture. The at least one inner shell includes high tensile strength material and includes an aperture configured to accept an audio driver. Each of the at least one inner shell corresponds to one of the at least one aperture of the outer shell. The core material includes a vibration absorbing material. The aperture of each inner shell is positioned adjacent to the corresponding aperture of the outer shell. Each inner shell is held in position by the core material, and each inner shell does not make direct mechanical contact with the outer shell.

Abstract: A sound enhancer for use with a speaker assembly, comprising a sound manifold forming an enclosure having upper and lower hollow interior portions, the enclosure defining an interior zone within an upper interior portion and having an inlet that faces angularly forwardly, and upwardly, a speaker assembly facing rearwardly through an inlet and into an interior zone to transmit sound rearwardly within the upper interior portion, the enclosure having a back panel to reflect sound transmission downwardly toward and into the enclosure lower interior portion, the lower interior portion having a frontward facing outlet from which sound is transmitted forwardly below the level of the speaker assembly.

Abstract: Improved approaches for providing a speaker within a housing of a portable electronic device are disclosed. The housing of the portable electronic device can be compact, such as a low profile housing. In one embodiment, an acoustic chamber for a speaker can be formed internal to a housing for a portable electronic device using non-dedicated space. In another embodiment, irregular surfaces can be sealed so that an acoustic chamber for a speaker can be formed internal to a housing for a portable electronic device.

Abstract: A speaker box, or enclosure, and kit with five panels connected by flexible couplings is shipped in a stack of four of the five panels, plus two side panels. The flexible couplings may be provided by a single sheet of fabric coupled to the five panels. When the kit is assembled into a speaker box, the five coupled panels circumferentially engage the two side panels, which are shaped as isosceles trapezoids. One side of the assembled speaker box includes two coupled panels, of the five coupled panels, joined with a flat rabbet joint. The assembled speaker box is held together with bundle ties, adhesive, or preferably, both. Openings for a speaker and a connector cup are provided. The kit includes adhesive, instructions, bundle ties with bundle tie locks, a connector cup, and hardware.

Abstract: A headset includes a housing having a first wall with at least one sound hole formed thereon, a loudspeaker unit disposed in the housing and adjacent to the sound hole, a blocking component mounted in the housing and capable of slidably moving towards and backwards the first wall to form an adjunctive chamber therebetween, and an adjustive component rotatably mounted to the housing. The adjustive component is connected with the blocking component in a way of screw link in order to drive the blocking component to move towards and backwards the first wall when the adjustive component is driven to rotate.

Abstract: Moving armature receiver assemblies wherein a first U-shaped armature and a second U-shaped armature are configured for suppression of vibration of a housing structure along a longitudinal housing plane.

Abstract: A speaker assembly includes a speaker body and a resonating box. The speaker body formed by a main portion and a sound-emitting portion. The resonating box is provided within the speaker body. Both ends of the resonating box are connected to the main portion and the sound-emitting portion respectively. The resonating box is formed by connecting a plurality of resonating shells having decreasing widths. The resonating shells are made of rigid materials. Each of the resonating shells is slidingly connected with the adjacent resonating shells, so that the resonating shell is extendable between the main portion and the sound-emitting portion. Via this arrangement, in addition to amplify the music, the speaker assembly has a stress/bass effect to improve the quality of sound.

Abstract: The present invention relates to a loudspeaker assembly and a method of assembling a loudspeaker assembly, comprising forming a front baffle, a first driver mounting portion, an intermediate portion, and an edge mounting portion. A port aperture formed in the intermediate portion, and a first driver installed in the first driver mounting portion. A rear baffle comprises a top portion, sidewalls, a recessed mounting portion, an edge portion and an electrical assembly. The edge mounting portion of the front baffle is attached to the recessed mounting portion of the rear baffle, and the rear baffle is secured to the back of the first driver. A back box is placed over the rear baffle provides thermal insulation, and a mounting plate securely attaches the first driver to a structural support. A perforated grille is crimped to the edge portion of the rear baffle and an edge portion of the back box.

Abstract: A composite sound dampening structure includes a first base layer of sound dampening material extending around and against an inside surface of a container and a second wedge layer of sound dampening material attached to an inside surface of the first base layer. The composite sound dampening structure provides improved acoustic dampening in relative small sound chambers. An audio test system generates a composite audio signal of multiple different audio signals that are combined together using linear superposition. The composite audio signal allows a device to be simultaneously tested with multiple different audio frequencies.

Abstract: A connecting structure adapted to connect two sound boxes comprises a clasping assembly and a positioning structure, the surface of the clasping assembly has a protruding portion, which has several protruding members, the surface of the positioning assembly has a hollow open, which has several oblique-rotation positioning portions and several apertures according to the protruding members of the clasping assembly, wherein the clasping assembly and the positioning assembly have four locking holes respectively for the clasping assembly and the positioning assembly being fixed to the two sound boxes; the protruding members of the protruding portion of the clasping assembly are inserted into the apertures of the hollow open of the positioning assembly accordingly, the clasping assembly or the positioning assembly is rotated in order to let the protruding members be fixed in the positioning portions, so that the different sound boxes are connected to each other.

Abstract: An adaptive noise control system is deployed in a box-like structure positioned within the transfer path along which the noise is being transmitted from the source of the generated noise to the receiver of the noise in the passenger compartment of an automobile. The adaptive noise control system is can be deployed in the dual bulkhead of the vehicle dashboard to provide a constrained volume within which engine noise can be controlled. The adaptive control system generates a mathematical model of the noise to be controlled in response to the acoustic environment identified by sensors placed within the engine compartment. Sensors in the passenger compartment define the effectiveness of the noise control system. The controller is operable to update the mathematical model in response to the changes in the acoustic environment, thus providing the appropriate acoustic response within the dual bulkhead plenum for control of noise along the transfer path.

Abstract: An exemplary sound box includes a box body and two speakers mounted in the box body. The box body defines two expanded portions and a connecting portion interconnecting the two expanded portions. Inner spaces of the connecting portion and the two expanded portions communicate with each other and cooperatively constitute a sound chamber of the sound box. Each of the expanded portions defines an opening therein. The two speakers are attached to the box body at the openings of the s two expanded portions respectively. This disclosure further discloses an electronic device configured with the sound box.

Abstract: An adjustable tweeter assembly is provided to allow a tweeter to be directionally oriented to a selected position. The assembly includes a base, a bowl, and a cup, which are nested together so that the bowl is sandwiched between the base and the cup for movement therebetween. The tweeter is mounted in the bowl which can be rotated and pivoted relative to the cup and to the base. A fastener extends through the cup, the bowl, and the base, and through a leaf spring so as to provide a compressive or clamping force between the base, the bowl, and the cup. The tweeter is rotatable 360° and pivotal approximately 90°.

Abstract: A device has at least one region to be damped for the purpose of noise reduction. The at least one region may, in particular, be a wall region, for instance of an electrical device housing, and it is covered at least partially by at least one vacuum panel. In the noise reduction method, a vacuum panel is pulled by vacuum pressure against the region to be damped, so that a hollow space under vacuum pressure is formed between the vacuum panel and a housing.

Abstract: There is provided a speaker connector including first and second speaker elements each having an inward face, an opposing outward face, and an engagement wall extending between the inward and outward faces. The speaker elements are connectable to the first and second speakers, respectively. A connector housing includes first and second end faces disposed on opposing sides of a housing medial portion. First and second inner walls extend inwardly from the first and second end faces, respectively, to define first and second housing recesses. The first and second inner walls are configured to engage with the engagement wall of the respective speaker elements with the first speaker element being received within the first housing recess and the second speaker element being received within the second housing recess.

Abstract: A line array speaker provides highly uniform frequency response throughout a wide listening field, while also reducing distortion and improving fidelity, clarity, and output level. In a symmetrical embodiment, central apertures are straddled by a sequential pairs of sets of apertures. The straddling pairs emit frequencies in the next lower frequency band relative to the frequency band of the immediately preceding frequency band apertures. In an asymmetrical embodiment, sequential frequency bands are emitted by adjacent sets of apertures rather than straddling pairs of sets of apertures. Each of the apertures may be a loudspeaker cone, one or more straight slots, one or more arbitrarily curved slots, one or more arbitrarily angled slots, one or more holes or the mouth of a horn. The speaker may have a front baffle which is a flat panel or multiple facets arranged in one or multiple recesses across a front of the speaker.

Abstract: An exemplary sound box includes a box body and two speakers mounted in the box body. The box body defines two expanded portions and a connecting portion interconnecting the two expanded portions. Inner spaces of the connecting portion and the two expanded portions communicate with each other and cooperatively constitute a sound chamber of the sound box. Each of the expanded portions defines an opening therein. The two speakers are attached to the box body at the openings of the s two expanded portions respectively. This disclosure further discloses an electronic device configured with the sound box.

Abstract: A loudspeaker enclosure has a first aperture in which a driver can be mounted, the driver having a first resonant frequency. A second aperture defines a port extending between the interior and the exterior of the enclosure. The port is tuned to a second resonant frequency. A sound absorbing element comprises at least one exponentially tapered horn having a mouth in communication with the interior of the enclosure. The horn has a cut-off frequency equal to or greater than the resonant frequency of the port, and preferably two to four times greater. The horn can be defined by tapering external walls of the enclosure, or by structures located within the enclosure which define a plurality of individual horns. The described enclosure combines the benefits of ported enclosures with those of enclosures employing tapered sound absorbing elements.

Abstract: A speaker cabinet includes at least one speaker contained in the speaker cabinet, and a speaker covering shrouding the at least one speaker, wherein the speaker covering is movable to expose the at least one speaker. The speaker covering motion may be automatic and provided by an electromechanical motion control system including at least one electric actuator and at least one electric actuator drive circuit. The automatic speaker covering motion may be activated by the electromechanical motion control system in response to an audio signal received by the speaker cabinet.

Abstract: A speaker system includes a cabinet, at least one speaker unit fixed to the cabinet, and a gas adsorbent which is situated inside the cabinet and which is made from a porous material. The speaker unit is configured with moisture-proof component parts. In the speaker system, a tubular structure which has a tubular hollow allows ventilation between an inside and an outside of the cabinet. A resonant frequency which is determined by an acoustic impedance of the tubular structure and an acoustic impedance of the cabinet is lower than a minimum resonant frequency of an acoustic impedance of the speaker system.

Abstract: In some embodiments, a tetrahedral subwoofer enclosure includes a substantially triangular first face, second face, third face, and fourth face, a first corner at an intersection of the first, second and third faces, a second corner at an intersection of the first, second and fourth faces, a third corner at an intersection of the first, third and fourth faces, a fourth corner at an intersection of the second, third and fourth faces, wherein an angle between the first corner and a midpoint between the third corner and the fourth corner, having the second corner as its vertex, is substantially ninety degrees, wherein an angle between the third corner and the fourth corner, having the second corner as its vertex, is substantially ninety degrees, and a subwoofer driver attached to the third face, having a free air resonant frequency less than one hundred Hertz.

Abstract: An acoustic waveguide with at least two portions coupled by vibration damping structure. The vibration damping structure may be a conformable material such as closed cell foam. The vibration damping structure may further include structure for inhibiting motion in a direction transverse to the interface between the vibration damping structure and a portion of the waveguide.

Abstract: The invention relates to a reflex loudspeaker construction (1, 2, 3), which comprises a loudspeaker chamber (30) delimited by the reflex loudspeaker construction (1, 2, 3), a reflex channel (5) connected to the loudspeaker chamber (30), which connects the loudspeaker chamber (30) to the external space of the reflex loudspeaker construction (1, 2, 3), and at least one loudspeaker element (7) connected to the reflex loudspeaker construction (1, 2, 3), which forms part of the structure delimiting the loudspeaker chamber (30). According to the invention, the reflex loudspeaker construction (1, 2, 3) comprises at least two components (2, 3), which can be repeatedly detached at least partly from each other, without dismantling, in order to use the loudspeaker chamber (30) as a transportation space.

Abstract: A speaker assembly arrangement for a vehicle is provided that includes a speaker unit including a speaker cabinet defining a first volume and a body part of a vehicle including a hollow member defining a second volume. The speaker cabinet is acoustically coupled to the hollow member by a press-fit coupling having a press-fit direction and mounted on the body part by at least one fastener having a fastening direction substantially perpendicular to the press-fit direction. The body part comprises a first guide arranged and configured to slidably engage with a second guide arranged on the speaker cabinet so that force on the speaker cabinet in the fastening direction is at least in part redirected to the press-fit direction by the slidable engagement of the first guide and the second guide.

Abstract: Normally a speaker is used by attaching to a sealed or semi-sealed cabinet so that vibration generated at the front and the back of a diaphragm does not mutually interfere. Therefore, a certain depth and a volume are necessary, and in a limited location such as a front panel of a device, there is a case that it cannot be attached to the most suitable position for a listener. As a means to solve that, a method that a speaker sound at a distant position is led to a front panel by a waveguide is practically used. However, still it has limitations in depth and attaching position, and good results cannot be obtained also in efficiency. A speaker is attached so that a sound generated at the front of the speaker attached to a cabinet is led to a plane such as a front panel of a device by a waveguide, and the opening surface of the waveguide is almost perpendicular to the plane.

Abstract: An electronic device (20) includes a main board (32), a protective panel (24) defining a main bore (24a), a receiver (28) and a housing (22). The protective panel is joined to an upper portion of the housing, and the housing is joined to the main board to form a chamber receiving the receiver. The housing defines a first opening (22a) corresponding to the main bore of the protective panel. The receiver and the main bore are angled relative to each other such that the main bore is partially overlapped by the receiver to form at least one secondary bore (36) on the main bore.

Abstract: A performance venue with a main speaker system is provided having a target coverage area within the performance venue. A performance area is located within the performance venue outside the target coverage area of the main speaker system. A low frequency directed audio source is positioned with respect to the performance area for active cancellation of low frequency sound spilling over into the performance area from the main speaker system. Control of the low frequency directed audio source is effected by an audio sensor is located in the performance area for generating an output correlated with low frequency spill over into the performance area.

Abstract: A speaker cabinet includes a first surface oriented generally along a first plane and a second surface oriented generally along a second plane. The second plane is generally orthogonal to the first plane. A third surface may be positioned between the first and second surfaces and may be oriented generally along a third plane that intersects the first plane and the second plane. The third surface may be configured to redirect an audio signal.

Abstract: The present invention discloses an embedded sound box including a box body and a front panel, and the box body has a fixing plate and at least one spring plate at an end and at least one slide wedge at another end. When the sound box is installed, an end of the fixing plate having the spring plate of the box body is latched into an opening hole, and a slide wedge is retracted towards the interior of the box body, and another end of the fixing plate corresponding to the box body is installed into the opening hole, and finally the slide wedge is protruded out from the box body, such that the box body can be embedded completely into the opening hole, and the front panel is used for covering the opening hole.

Abstract: A speaker box includes a frame defining an upper side and a lower side opposite to the upper side, an electroacoustic transducer received in the frame and including a diaphragm with an edge thereof being fixed to the upper side of the frame, a case defining a plate facing the diaphragm and a sidewall extending upwardly from the plate and positioned on the upper side of the frame, a room formed between the diaphragm and the case, a hole defined at the side of the case for outputting the sound wave produced by the diaphragm. The plate defines a plurality of slots extending from the joint of the plate and the sidewall to towards the hole to connect to the hole, the slots being spaced each other and configured for leading the air of the room to get out through the hole.